Home / 28,202.38-42,306.18-9,227.12

Finding the Fourth Proportional to 28,202.38, 42,306.18 and 9,227.12

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Solution

The fourth proportional to 28,202.38, 42,306.18 and 9,227.12 is: 13,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.38 : 42,306.18 = 9,227.12 : x
  2. Step 2: Convert to fraction form
    28,202.38/42,306.18 = 9,227.12/x
  3. Step 3: Cross multiply
    28,202.38x = 42,306.18 × 9,227.12
  4. Step 4: Simplify right side
    28,202.38x = 390,364,199.60
  5. Step 5: Solve for x
    x = 390,364,199.60/28,202.38
  6. Step 6: Final answer
    x = 13,841.53

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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.