Home / 27,815.00-38,385.19-15,068.43

Finding the Fourth Proportional to 27,815.00, 38,385.19 and 15,068.43

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Solution

The fourth proportional to 27,815.00, 38,385.19 and 15,068.43 is: 20,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.00 : 38,385.19 = 15,068.43 : x
  2. Step 2: Convert to fraction form
    27,815.00/38,385.19 = 15,068.43/x
  3. Step 3: Cross multiply
    27,815.00x = 38,385.19 × 15,068.43
  4. Step 4: Simplify right side
    27,815.00x = 578,404,567.39
  5. Step 5: Solve for x
    x = 578,404,567.39/27,815.00
  6. Step 6: Final answer
    x = 20,794.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.