Home / 27,431.16-37,854.72-15,494.46

Finding the Fourth Proportional to 27,431.16, 37,854.72 and 15,494.46

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Solution

The fourth proportional to 27,431.16, 37,854.72 and 15,494.46 is: 21,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.16 : 37,854.72 = 15,494.46 : x
  2. Step 2: Convert to fraction form
    27,431.16/37,854.72 = 15,494.46/x
  3. Step 3: Cross multiply
    27,431.16x = 37,854.72 × 15,494.46
  4. Step 4: Simplify right side
    27,431.16x = 586,538,444.85
  5. Step 5: Solve for x
    x = 586,538,444.85/27,431.16
  6. Step 6: Final answer
    x = 21,382.20

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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.