Home / 25,934.10-35,787.60-15,324.72

Finding the Fourth Proportional to 25,934.10, 35,787.60 and 15,324.72

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Solution

The fourth proportional to 25,934.10, 35,787.60 and 15,324.72 is: 21,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,934.10 : 35,787.60 = 15,324.72 : x
  2. Step 2: Convert to fraction form
    25,934.10/35,787.60 = 15,324.72/x
  3. Step 3: Cross multiply
    25,934.10x = 35,787.60 × 15,324.72
  4. Step 4: Simplify right side
    25,934.10x = 548,434,949.47
  5. Step 5: Solve for x
    x = 548,434,949.47/25,934.10
  6. Step 6: Final answer
    x = 21,147.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.