Home / 28,304.33-42,458.30-9,581.78

Finding the Fourth Proportional to 28,304.33, 42,458.30 and 9,581.78

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Solution

The fourth proportional to 28,304.33, 42,458.30 and 9,581.78 is: 14,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.33 : 42,458.30 = 9,581.78 : x
  2. Step 2: Convert to fraction form
    28,304.33/42,458.30 = 9,581.78/x
  3. Step 3: Cross multiply
    28,304.33x = 42,458.30 × 9,581.78
  4. Step 4: Simplify right side
    28,304.33x = 406,825,829.57
  5. Step 5: Solve for x
    x = 406,825,829.57/28,304.33
  6. Step 6: Final answer
    x = 14,373.27

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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.