Home / 40,272.76-60,399.78-15,315.76

Finding the Fourth Proportional to 40,272.76, 60,399.78 and 15,315.76

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Solution

The fourth proportional to 40,272.76, 60,399.78 and 15,315.76 is: 22,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.76 : 60,399.78 = 15,315.76 : x
  2. Step 2: Convert to fraction form
    40,272.76/60,399.78 = 15,315.76/x
  3. Step 3: Cross multiply
    40,272.76x = 60,399.78 × 15,315.76
  4. Step 4: Simplify right side
    40,272.76x = 925,068,534.53
  5. Step 5: Solve for x
    x = 925,068,534.53/40,272.76
  6. Step 6: Final answer
    x = 22,970.08

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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.