Home / 25,487.80-38,232.34-12,337.72

Finding the Fourth Proportional to 25,487.80, 38,232.34 and 12,337.72

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Solution

The fourth proportional to 25,487.80, 38,232.34 and 12,337.72 is: 18,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.80 : 38,232.34 = 12,337.72 : x
  2. Step 2: Convert to fraction form
    25,487.80/38,232.34 = 12,337.72/x
  3. Step 3: Cross multiply
    25,487.80x = 38,232.34 × 12,337.72
  4. Step 4: Simplify right side
    25,487.80x = 471,699,905.86
  5. Step 5: Solve for x
    x = 471,699,905.86/25,487.80
  6. Step 6: Final answer
    x = 18,506.89

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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.