Home / 25,831.40-38,747.10-17,076.20

Finding the Fourth Proportional to 25,831.40, 38,747.10 and 17,076.20

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Solution

The fourth proportional to 25,831.40, 38,747.10 and 17,076.20 is: 25,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.40 : 38,747.10 = 17,076.20 : x
  2. Step 2: Convert to fraction form
    25,831.40/38,747.10 = 17,076.20/x
  3. Step 3: Cross multiply
    25,831.40x = 38,747.10 × 17,076.20
  4. Step 4: Simplify right side
    25,831.40x = 661,653,229.02
  5. Step 5: Solve for x
    x = 661,653,229.02/25,831.40
  6. Step 6: Final answer
    x = 25,614.30

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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.