Home / 25,974.15-38,956.10-12,818.13

Finding the Fourth Proportional to 25,974.15, 38,956.10 and 12,818.13

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Solution

The fourth proportional to 25,974.15, 38,956.10 and 12,818.13 is: 19,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.15 : 38,956.10 = 12,818.13 : x
  2. Step 2: Convert to fraction form
    25,974.15/38,956.10 = 12,818.13/x
  3. Step 3: Cross multiply
    25,974.15x = 38,956.10 × 12,818.13
  4. Step 4: Simplify right side
    25,974.15x = 499,344,290.00
  5. Step 5: Solve for x
    x = 499,344,290.00/25,974.15
  6. Step 6: Final answer
    x = 19,224.66

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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.