Home / 40,275.68-60,399.84-15,309.72

Finding the Fourth Proportional to 40,275.68, 60,399.84 and 15,309.72

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Solution

The fourth proportional to 40,275.68, 60,399.84 and 15,309.72 is: 22,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.68 : 60,399.84 = 15,309.72 : x
  2. Step 2: Convert to fraction form
    40,275.68/60,399.84 = 15,309.72/x
  3. Step 3: Cross multiply
    40,275.68x = 60,399.84 × 15,309.72
  4. Step 4: Simplify right side
    40,275.68x = 924,704,638.44
  5. Step 5: Solve for x
    x = 924,704,638.44/40,275.68
  6. Step 6: Final answer
    x = 22,959.38

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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.