Home / 28,251.26-38,990.19-16,314.58

Finding the Fourth Proportional to 28,251.26, 38,990.19 and 16,314.58

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Solution

The fourth proportional to 28,251.26, 38,990.19 and 16,314.58 is: 22,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.26 : 38,990.19 = 16,314.58 : x
  2. Step 2: Convert to fraction form
    28,251.26/38,990.19 = 16,314.58/x
  3. Step 3: Cross multiply
    28,251.26x = 38,990.19 × 16,314.58
  4. Step 4: Simplify right side
    28,251.26x = 636,108,683.89
  5. Step 5: Solve for x
    x = 636,108,683.89/28,251.26
  6. Step 6: Final answer
    x = 22,516.12

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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.