Home / 28,042.59-42,084.74-13,256.04

Finding the Fourth Proportional to 28,042.59, 42,084.74 and 13,256.04

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Solution

The fourth proportional to 28,042.59, 42,084.74 and 13,256.04 is: 19,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.59 : 42,084.74 = 13,256.04 : x
  2. Step 2: Convert to fraction form
    28,042.59/42,084.74 = 13,256.04/x
  3. Step 3: Cross multiply
    28,042.59x = 42,084.74 × 13,256.04
  4. Step 4: Simplify right side
    28,042.59x = 557,876,996.83
  5. Step 5: Solve for x
    x = 557,876,996.83/28,042.59
  6. Step 6: Final answer
    x = 19,893.92

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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.