Home / 25,614.08-38,420.76-15,621.76

Finding the Fourth Proportional to 25,614.08, 38,420.76 and 15,621.76

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Solution

The fourth proportional to 25,614.08, 38,420.76 and 15,621.76 is: 23,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.08 : 38,420.76 = 15,621.76 : x
  2. Step 2: Convert to fraction form
    25,614.08/38,420.76 = 15,621.76/x
  3. Step 3: Cross multiply
    25,614.08x = 38,420.76 × 15,621.76
  4. Step 4: Simplify right side
    25,614.08x = 600,199,891.74
  5. Step 5: Solve for x
    x = 600,199,891.74/25,614.08
  6. Step 6: Final answer
    x = 23,432.42

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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.