Home / 43,902.64-65,853.12-17,613.28

Finding the Fourth Proportional to 43,902.64, 65,853.12 and 17,613.28

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Solution

The fourth proportional to 43,902.64, 65,853.12 and 17,613.28 is: 26,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,902.64 : 65,853.12 = 17,613.28 : x
  2. Step 2: Convert to fraction form
    43,902.64/65,853.12 = 17,613.28/x
  3. Step 3: Cross multiply
    43,902.64x = 65,853.12 × 17,613.28
  4. Step 4: Simplify right side
    43,902.64x = 1,159,889,441.43
  5. Step 5: Solve for x
    x = 1,159,889,441.43/43,902.64
  6. Step 6: Final answer
    x = 26,419.58

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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.