Home / 43,890.10-65,833.67-17,587.78

Finding the Fourth Proportional to 43,890.10, 65,833.67 and 17,587.78

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Solution

The fourth proportional to 43,890.10, 65,833.67 and 17,587.78 is: 26,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890.10 : 65,833.67 = 17,587.78 : x
  2. Step 2: Convert to fraction form
    43,890.10/65,833.67 = 17,587.78/x
  3. Step 3: Cross multiply
    43,890.10x = 65,833.67 × 17,587.78
  4. Step 4: Simplify right side
    43,890.10x = 1,157,868,104.55
  5. Step 5: Solve for x
    x = 1,157,868,104.55/43,890.10
  6. Step 6: Final answer
    x = 26,381.08

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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.