Home / 25,025.28-34,517.76-15,590.40

Finding the Fourth Proportional to 25,025.28, 34,517.76 and 15,590.40

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Solution

The fourth proportional to 25,025.28, 34,517.76 and 15,590.40 is: 21,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.28 : 34,517.76 = 15,590.40 : x
  2. Step 2: Convert to fraction form
    25,025.28/34,517.76 = 15,590.40/x
  3. Step 3: Cross multiply
    25,025.28x = 34,517.76 × 15,590.40
  4. Step 4: Simplify right side
    25,025.28x = 538,145,685.50
  5. Step 5: Solve for x
    x = 538,145,685.50/25,025.28
  6. Step 6: Final answer
    x = 21,504.08

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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.