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Finding the Fourth Proportional to 25,975.62, 38,967.90 and 9,337.38

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Solution

The fourth proportional to 25,975.62, 38,967.90 and 9,337.38 is: 14,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.62 : 38,967.90 = 9,337.38 : x
  2. Step 2: Convert to fraction form
    25,975.62/38,967.90 = 9,337.38/x
  3. Step 3: Cross multiply
    25,975.62x = 38,967.90 × 9,337.38
  4. Step 4: Simplify right side
    25,975.62x = 363,858,090.10
  5. Step 5: Solve for x
    x = 363,858,090.10/25,975.62
  6. Step 6: Final answer
    x = 14,007.68

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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.