Home / 27,737.68-38,278.56-15,163.24

Finding the Fourth Proportional to 27,737.68, 38,278.56 and 15,163.24

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Solution

The fourth proportional to 27,737.68, 38,278.56 and 15,163.24 is: 20,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.68 : 38,278.56 = 15,163.24 : x
  2. Step 2: Convert to fraction form
    27,737.68/38,278.56 = 15,163.24/x
  3. Step 3: Cross multiply
    27,737.68x = 38,278.56 × 15,163.24
  4. Step 4: Simplify right side
    27,737.68x = 580,426,992.13
  5. Step 5: Solve for x
    x = 580,426,992.13/27,737.68
  6. Step 6: Final answer
    x = 20,925.58

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Double scale
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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.