Home / 28,034.60-38,686.28-17,424

Finding the Fourth Proportional to 28,034.60, 38,686.28 and 17,424

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Solution

The fourth proportional to 28,034.60, 38,686.28 and 17,424 is: 24,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.60 : 38,686.28 = 17,424 : x
  2. Step 2: Convert to fraction form
    28,034.60/38,686.28 = 17,424/x
  3. Step 3: Cross multiply
    28,034.60x = 38,686.28 × 17,424
  4. Step 4: Simplify right side
    28,034.60x = 674,069,742.72
  5. Step 5: Solve for x
    x = 674,069,742.72/28,034.60
  6. Step 6: Final answer
    x = 24,044.21

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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.