Home / 27,286.71-37,655.25-15,350.06

Finding the Fourth Proportional to 27,286.71, 37,655.25 and 15,350.06

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Solution

The fourth proportional to 27,286.71, 37,655.25 and 15,350.06 is: 21,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.71 : 37,655.25 = 15,350.06 : x
  2. Step 2: Convert to fraction form
    27,286.71/37,655.25 = 15,350.06/x
  3. Step 3: Cross multiply
    27,286.71x = 37,655.25 × 15,350.06
  4. Step 4: Simplify right side
    27,286.71x = 578,010,158.54
  5. Step 5: Solve for x
    x = 578,010,158.54/27,286.71
  6. Step 6: Final answer
    x = 21,182.85

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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.