Home / 20,042.04-27,656.31-11,089.56

Finding the Fourth Proportional to 20,042.04, 27,656.31 and 11,089.56

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Solution

The fourth proportional to 20,042.04, 27,656.31 and 11,089.56 is: 15,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.04 : 27,656.31 = 11,089.56 : x
  2. Step 2: Convert to fraction form
    20,042.04/27,656.31 = 11,089.56/x
  3. Step 3: Cross multiply
    20,042.04x = 27,656.31 × 11,089.56
  4. Step 4: Simplify right side
    20,042.04x = 306,696,309.12
  5. Step 5: Solve for x
    x = 306,696,309.12/20,042.04
  6. Step 6: Final answer
    x = 15,302.65

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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.