Home / 28,306.22-42,458.10-9,585.50

Finding the Fourth Proportional to 28,306.22, 42,458.10 and 9,585.50

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Solution

The fourth proportional to 28,306.22, 42,458.10 and 9,585.50 is: 14,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.22 : 42,458.10 = 9,585.50 : x
  2. Step 2: Convert to fraction form
    28,306.22/42,458.10 = 9,585.50/x
  3. Step 3: Cross multiply
    28,306.22x = 42,458.10 × 9,585.50
  4. Step 4: Simplify right side
    28,306.22x = 406,982,117.55
  5. Step 5: Solve for x
    x = 406,982,117.55/28,306.22
  6. Step 6: Final answer
    x = 14,377.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.