Home / 40,278.79-60,402.66-15,305.68

Finding the Fourth Proportional to 40,278.79, 60,402.66 and 15,305.68

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Solution

The fourth proportional to 40,278.79, 60,402.66 and 15,305.68 is: 22,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.79 : 60,402.66 = 15,305.68 : x
  2. Step 2: Convert to fraction form
    40,278.79/60,402.66 = 15,305.68/x
  3. Step 3: Cross multiply
    40,278.79x = 60,402.66 × 15,305.68
  4. Step 4: Simplify right side
    40,278.79x = 924,503,785.11
  5. Step 5: Solve for x
    x = 924,503,785.11/40,278.79
  6. Step 6: Final answer
    x = 22,952.62

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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.