Home / 25,549.98-38,325.15-8,909.97

Finding the Fourth Proportional to 25,549.98, 38,325.15 and 8,909.97

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Solution

The fourth proportional to 25,549.98, 38,325.15 and 8,909.97 is: 13,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.98 : 38,325.15 = 8,909.97 : x
  2. Step 2: Convert to fraction form
    25,549.98/38,325.15 = 8,909.97/x
  3. Step 3: Cross multiply
    25,549.98x = 38,325.15 × 8,909.97
  4. Step 4: Simplify right side
    25,549.98x = 341,475,936.75
  5. Step 5: Solve for x
    x = 341,475,936.75/25,549.98
  6. Step 6: Final answer
    x = 13,365.02

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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.