Home / 40,239.64-60,346.14-15,278.68

Finding the Fourth Proportional to 40,239.64, 60,346.14 and 15,278.68

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Solution

The fourth proportional to 40,239.64, 60,346.14 and 15,278.68 is: 22,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.64 : 60,346.14 = 15,278.68 : x
  2. Step 2: Convert to fraction form
    40,239.64/60,346.14 = 15,278.68/x
  3. Step 3: Cross multiply
    40,239.64x = 60,346.14 × 15,278.68
  4. Step 4: Simplify right side
    40,239.64x = 922,009,362.30
  5. Step 5: Solve for x
    x = 922,009,362.30/40,239.64
  6. Step 6: Final answer
    x = 22,912.96

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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.