Home / 27,055.89-37,340.66-15,121.71

Finding the Fourth Proportional to 27,055.89, 37,340.66 and 15,121.71

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Solution

The fourth proportional to 27,055.89, 37,340.66 and 15,121.71 is: 20,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,055.89 : 37,340.66 = 15,121.71 : x
  2. Step 2: Convert to fraction form
    27,055.89/37,340.66 = 15,121.71/x
  3. Step 3: Cross multiply
    27,055.89x = 37,340.66 × 15,121.71
  4. Step 4: Simplify right side
    27,055.89x = 564,654,669.53
  5. Step 5: Solve for x
    x = 564,654,669.53/27,055.89
  6. Step 6: Final answer
    x = 20,869.94

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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.