Home / 40,887.72-61,295.22-15,921.96

Finding the Fourth Proportional to 40,887.72, 61,295.22 and 15,921.96

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Solution

The fourth proportional to 40,887.72, 61,295.22 and 15,921.96 is: 23,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.72 : 61,295.22 = 15,921.96 : x
  2. Step 2: Convert to fraction form
    40,887.72/61,295.22 = 15,921.96/x
  3. Step 3: Cross multiply
    40,887.72x = 61,295.22 × 15,921.96
  4. Step 4: Simplify right side
    40,887.72x = 975,940,041.03
  5. Step 5: Solve for x
    x = 975,940,041.03/40,887.72
  6. Step 6: Final answer
    x = 23,868.78

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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.