Home / 27,046.47-37,321.61-15,715.85

Finding the Fourth Proportional to 27,046.47, 37,321.61 and 15,715.85

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Solution

The fourth proportional to 27,046.47, 37,321.61 and 15,715.85 is: 21,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,046.47 : 37,321.61 = 15,715.85 : x
  2. Step 2: Convert to fraction form
    27,046.47/37,321.61 = 15,715.85/x
  3. Step 3: Cross multiply
    27,046.47x = 37,321.61 × 15,715.85
  4. Step 4: Simplify right side
    27,046.47x = 586,540,559.33
  5. Step 5: Solve for x
    x = 586,540,559.33/27,046.47
  6. Step 6: Final answer
    x = 21,686.40

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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.