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Finding the Fourth Proportional to 25,337.78, 38,008.60 and 8,697.68

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Solution

The fourth proportional to 25,337.78, 38,008.60 and 8,697.68 is: 13,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.78 : 38,008.60 = 8,697.68 : x
  2. Step 2: Convert to fraction form
    25,337.78/38,008.60 = 8,697.68/x
  3. Step 3: Cross multiply
    25,337.78x = 38,008.60 × 8,697.68
  4. Step 4: Simplify right side
    25,337.78x = 330,586,640.05
  5. Step 5: Solve for x
    x = 330,586,640.05/25,337.78
  6. Step 6: Final answer
    x = 13,047.18

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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.