Home / 28,001.43-42,016.73-26,387.91

Finding the Fourth Proportional to 28,001.43, 42,016.73 and 26,387.91

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Solution

The fourth proportional to 28,001.43, 42,016.73 and 26,387.91 is: 39,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.43 : 42,016.73 = 26,387.91 : x
  2. Step 2: Convert to fraction form
    28,001.43/42,016.73 = 26,387.91/x
  3. Step 3: Cross multiply
    28,001.43x = 42,016.73 × 26,387.91
  4. Step 4: Simplify right side
    28,001.43x = 1,108,733,557.79
  5. Step 5: Solve for x
    x = 1,108,733,557.79/28,001.43
  6. Step 6: Final answer
    x = 39,595.60

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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.