Home / 25,930.60-38,831.10-17,117.80

Finding the Fourth Proportional to 25,930.60, 38,831.10 and 17,117.80

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Solution

The fourth proportional to 25,930.60, 38,831.10 and 17,117.80 is: 25,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.60 : 38,831.10 = 17,117.80 : x
  2. Step 2: Convert to fraction form
    25,930.60/38,831.10 = 17,117.80/x
  3. Step 3: Cross multiply
    25,930.60x = 38,831.10 × 17,117.80
  4. Step 4: Simplify right side
    25,930.60x = 664,703,003.58
  5. Step 5: Solve for x
    x = 664,703,003.58/25,930.60
  6. Step 6: Final answer
    x = 25,633.92

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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.