Home / 28,194.12-42,291.18-9,726.12

Finding the Fourth Proportional to 28,194.12, 42,291.18 and 9,726.12

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Solution

The fourth proportional to 28,194.12, 42,291.18 and 9,726.12 is: 14,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.12 : 42,291.18 = 9,726.12 : x
  2. Step 2: Convert to fraction form
    28,194.12/42,291.18 = 9,726.12/x
  3. Step 3: Cross multiply
    28,194.12x = 42,291.18 × 9,726.12
  4. Step 4: Simplify right side
    28,194.12x = 411,329,091.62
  5. Step 5: Solve for x
    x = 411,329,091.62/28,194.12
  6. Step 6: Final answer
    x = 14,589.18

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Similar ratio
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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.