Home / 20,042.18-27,657.98-11,089.62

Finding the Fourth Proportional to 20,042.18, 27,657.98 and 11,089.62

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Solution

The fourth proportional to 20,042.18, 27,657.98 and 11,089.62 is: 15,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.18 : 27,657.98 = 11,089.62 : x
  2. Step 2: Convert to fraction form
    20,042.18/27,657.98 = 11,089.62/x
  3. Step 3: Cross multiply
    20,042.18x = 27,657.98 × 11,089.62
  4. Step 4: Simplify right side
    20,042.18x = 306,716,488.17
  5. Step 5: Solve for x
    x = 306,716,488.17/20,042.18
  6. Step 6: Final answer
    x = 15,303.55

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1.5x scale

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.