Home / 25,613.18-38,419.95-8,084.78

Finding the Fourth Proportional to 25,613.18, 38,419.95 and 8,084.78

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Solution

The fourth proportional to 25,613.18, 38,419.95 and 8,084.78 is: 12,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.18 : 38,419.95 = 8,084.78 : x
  2. Step 2: Convert to fraction form
    25,613.18/38,419.95 = 8,084.78/x
  3. Step 3: Cross multiply
    25,613.18x = 38,419.95 × 8,084.78
  4. Step 4: Simplify right side
    25,613.18x = 310,616,843.36
  5. Step 5: Solve for x
    x = 310,616,843.36/25,613.18
  6. Step 6: Final answer
    x = 12,127.23

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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.