Home / 25,209.60-34,797.32-15,145.76

Finding the Fourth Proportional to 25,209.60, 34,797.32 and 15,145.76

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Solution

The fourth proportional to 25,209.60, 34,797.32 and 15,145.76 is: 20,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.60 : 34,797.32 = 15,145.76 : x
  2. Step 2: Convert to fraction form
    25,209.60/34,797.32 = 15,145.76/x
  3. Step 3: Cross multiply
    25,209.60x = 34,797.32 × 15,145.76
  4. Step 4: Simplify right side
    25,209.60x = 527,031,857.36
  5. Step 5: Solve for x
    x = 527,031,857.36/25,209.60
  6. Step 6: Final answer
    x = 20,906.00

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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.