Home / 43,422.64-65,141.76-15,358.96

Finding the Fourth Proportional to 43,422.64, 65,141.76 and 15,358.96

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Solution

The fourth proportional to 43,422.64, 65,141.76 and 15,358.96 is: 23,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.64 : 65,141.76 = 15,358.96 : x
  2. Step 2: Convert to fraction form
    43,422.64/65,141.76 = 15,358.96/x
  3. Step 3: Cross multiply
    43,422.64x = 65,141.76 × 15,358.96
  4. Step 4: Simplify right side
    43,422.64x = 1,000,509,686.17
  5. Step 5: Solve for x
    x = 1,000,509,686.17/43,422.64
  6. Step 6: Final answer
    x = 23,041.20

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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.