Home / 27,726.96-38,264.04-15,151.92

Finding the Fourth Proportional to 27,726.96, 38,264.04 and 15,151.92

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Solution

The fourth proportional to 27,726.96, 38,264.04 and 15,151.92 is: 20,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.96 : 38,264.04 = 15,151.92 : x
  2. Step 2: Convert to fraction form
    27,726.96/38,264.04 = 15,151.92/x
  3. Step 3: Cross multiply
    27,726.96x = 38,264.04 × 15,151.92
  4. Step 4: Simplify right side
    27,726.96x = 579,773,672.96
  5. Step 5: Solve for x
    x = 579,773,672.96/27,726.96
  6. Step 6: Final answer
    x = 20,910.11

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Half scale
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Double scale
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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.