Home / 28,881.75-43,316.40-16,865.88

Finding the Fourth Proportional to 28,881.75, 43,316.40 and 16,865.88

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Solution

The fourth proportional to 28,881.75, 43,316.40 and 16,865.88 is: 25,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.75 : 43,316.40 = 16,865.88 : x
  2. Step 2: Convert to fraction form
    28,881.75/43,316.40 = 16,865.88/x
  3. Step 3: Cross multiply
    28,881.75x = 43,316.40 × 16,865.88
  4. Step 4: Simplify right side
    28,881.75x = 730,569,204.43
  5. Step 5: Solve for x
    x = 730,569,204.43/28,881.75
  6. Step 6: Final answer
    x = 25,295.18

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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.