Home / 27,732.29-38,270.56-15,157.04

Finding the Fourth Proportional to 27,732.29, 38,270.56 and 15,157.04

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Solution

The fourth proportional to 27,732.29, 38,270.56 and 15,157.04 is: 20,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.29 : 38,270.56 = 15,157.04 : x
  2. Step 2: Convert to fraction form
    27,732.29/38,270.56 = 15,157.04/x
  3. Step 3: Cross multiply
    27,732.29x = 38,270.56 × 15,157.04
  4. Step 4: Simplify right side
    27,732.29x = 580,068,408.74
  5. Step 5: Solve for x
    x = 580,068,408.74/27,732.29
  6. Step 6: Final answer
    x = 20,916.72

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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.