Home / 25,674.76-38,534.82-12,538.72

Finding the Fourth Proportional to 25,674.76, 38,534.82 and 12,538.72

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Solution

The fourth proportional to 25,674.76, 38,534.82 and 12,538.72 is: 18,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.76 : 38,534.82 = 12,538.72 : x
  2. Step 2: Convert to fraction form
    25,674.76/38,534.82 = 12,538.72/x
  3. Step 3: Cross multiply
    25,674.76x = 38,534.82 × 12,538.72
  4. Step 4: Simplify right side
    25,674.76x = 483,177,318.23
  5. Step 5: Solve for x
    x = 483,177,318.23/25,674.76
  6. Step 6: Final answer
    x = 18,819.16

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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.