Home / 28,237.05-38,966.55-17,479.05

Finding the Fourth Proportional to 28,237.05, 38,966.55 and 17,479.05

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Solution

The fourth proportional to 28,237.05, 38,966.55 and 17,479.05 is: 24,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.05 : 38,966.55 = 17,479.05 : x
  2. Step 2: Convert to fraction form
    28,237.05/38,966.55 = 17,479.05/x
  3. Step 3: Cross multiply
    28,237.05x = 38,966.55 × 17,479.05
  4. Step 4: Simplify right side
    28,237.05x = 681,098,188.38
  5. Step 5: Solve for x
    x = 681,098,188.38/28,237.05
  6. Step 6: Final answer
    x = 24,120.73

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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.