Home / 25,756.28-38,597.16-12,593.78

Finding the Fourth Proportional to 25,756.28, 38,597.16 and 12,593.78

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Solution

The fourth proportional to 25,756.28, 38,597.16 and 12,593.78 is: 18,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.28 : 38,597.16 = 12,593.78 : x
  2. Step 2: Convert to fraction form
    25,756.28/38,597.16 = 12,593.78/x
  3. Step 3: Cross multiply
    25,756.28x = 38,597.16 × 12,593.78
  4. Step 4: Simplify right side
    25,756.28x = 486,084,141.66
  5. Step 5: Solve for x
    x = 486,084,141.66/25,756.28
  6. Step 6: Final answer
    x = 18,872.45

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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.