Home / 27,995.28-38,641.16-19,057.72

Finding the Fourth Proportional to 27,995.28, 38,641.16 and 19,057.72

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Solution

The fourth proportional to 27,995.28, 38,641.16 and 19,057.72 is: 26,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.28 : 38,641.16 = 19,057.72 : x
  2. Step 2: Convert to fraction form
    27,995.28/38,641.16 = 19,057.72/x
  3. Step 3: Cross multiply
    27,995.28x = 38,641.16 × 19,057.72
  4. Step 4: Simplify right side
    27,995.28x = 736,412,407.76
  5. Step 5: Solve for x
    x = 736,412,407.76/27,995.28
  6. Step 6: Final answer
    x = 26,304.88

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.