Home / 25,421.00-38,132.30-8,781.98

Finding the Fourth Proportional to 25,421.00, 38,132.30 and 8,781.98

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Solution

The fourth proportional to 25,421.00, 38,132.30 and 8,781.98 is: 13,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.00 : 38,132.30 = 8,781.98 : x
  2. Step 2: Convert to fraction form
    25,421.00/38,132.30 = 8,781.98/x
  3. Step 3: Cross multiply
    25,421.00x = 38,132.30 × 8,781.98
  4. Step 4: Simplify right side
    25,421.00x = 334,876,861.38
  5. Step 5: Solve for x
    x = 334,876,861.38/25,421.00
  6. Step 6: Final answer
    x = 13,173.24

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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.