Home / 27,743.28-38,284.92-15,167.76

Finding the Fourth Proportional to 27,743.28, 38,284.92 and 15,167.76

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Solution

The fourth proportional to 27,743.28, 38,284.92 and 15,167.76 is: 20,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.28 : 38,284.92 = 15,167.76 : x
  2. Step 2: Convert to fraction form
    27,743.28/38,284.92 = 15,167.76/x
  3. Step 3: Cross multiply
    27,743.28x = 38,284.92 × 15,167.76
  4. Step 4: Simplify right side
    27,743.28x = 580,696,478.18
  5. Step 5: Solve for x
    x = 580,696,478.18/27,743.28
  6. Step 6: Final answer
    x = 20,931.07

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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.