Home / 28,815.01-43,191.25-14,755.75

Finding the Fourth Proportional to 28,815.01, 43,191.25 and 14,755.75

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Solution

The fourth proportional to 28,815.01, 43,191.25 and 14,755.75 is: 22,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.01 : 43,191.25 = 14,755.75 : x
  2. Step 2: Convert to fraction form
    28,815.01/43,191.25 = 14,755.75/x
  3. Step 3: Cross multiply
    28,815.01x = 43,191.25 × 14,755.75
  4. Step 4: Simplify right side
    28,815.01x = 637,319,287.19
  5. Step 5: Solve for x
    x = 637,319,287.19/28,815.01
  6. Step 6: Final answer
    x = 22,117.61

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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.