Home / 25,627.20-38,480.40-13,963.20

Finding the Fourth Proportional to 25,627.20, 38,480.40 and 13,963.20

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Solution

The fourth proportional to 25,627.20, 38,480.40 and 13,963.20 is: 20,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.20 : 38,480.40 = 13,963.20 : x
  2. Step 2: Convert to fraction form
    25,627.20/38,480.40 = 13,963.20/x
  3. Step 3: Cross multiply
    25,627.20x = 38,480.40 × 13,963.20
  4. Step 4: Simplify right side
    25,627.20x = 537,309,521.28
  5. Step 5: Solve for x
    x = 537,309,521.28/25,627.20
  6. Step 6: Final answer
    x = 20,966.38

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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.