Home / 25,853.28-38,781.81-8,335.68

Finding the Fourth Proportional to 25,853.28, 38,781.81 and 8,335.68

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Solution

The fourth proportional to 25,853.28, 38,781.81 and 8,335.68 is: 12,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.28 : 38,781.81 = 8,335.68 : x
  2. Step 2: Convert to fraction form
    25,853.28/38,781.81 = 8,335.68/x
  3. Step 3: Cross multiply
    25,853.28x = 38,781.81 × 8,335.68
  4. Step 4: Simplify right side
    25,853.28x = 323,272,757.98
  5. Step 5: Solve for x
    x = 323,272,757.98/25,853.28
  6. Step 6: Final answer
    x = 12,504.13

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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.