Home / 28,019.44-38,654.58-20,058.76

Finding the Fourth Proportional to 28,019.44, 38,654.58 and 20,058.76

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Solution

The fourth proportional to 28,019.44, 38,654.58 and 20,058.76 is: 27,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.44 : 38,654.58 = 20,058.76 : x
  2. Step 2: Convert to fraction form
    28,019.44/38,654.58 = 20,058.76/x
  3. Step 3: Cross multiply
    28,019.44x = 38,654.58 × 20,058.76
  4. Step 4: Simplify right side
    28,019.44x = 775,362,943.12
  5. Step 5: Solve for x
    x = 775,362,943.12/28,019.44
  6. Step 6: Final answer
    x = 27,672.32

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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.