Home / 28,248.28-38,990.19-17,631.52

Finding the Fourth Proportional to 28,248.28, 38,990.19 and 17,631.52

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Solution

The fourth proportional to 28,248.28, 38,990.19 and 17,631.52 is: 24,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.28 : 38,990.19 = 17,631.52 : x
  2. Step 2: Convert to fraction form
    28,248.28/38,990.19 = 17,631.52/x
  3. Step 3: Cross multiply
    28,248.28x = 38,990.19 × 17,631.52
  4. Step 4: Simplify right side
    28,248.28x = 687,456,314.79
  5. Step 5: Solve for x
    x = 687,456,314.79/28,248.28
  6. Step 6: Final answer
    x = 24,336.22

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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.