Home / 27,935.88-38,551.68-15,360.72

Finding the Fourth Proportional to 27,935.88, 38,551.68 and 15,360.72

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Solution

The fourth proportional to 27,935.88, 38,551.68 and 15,360.72 is: 21,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.88 : 38,551.68 = 15,360.72 : x
  2. Step 2: Convert to fraction form
    27,935.88/38,551.68 = 15,360.72/x
  3. Step 3: Cross multiply
    27,935.88x = 38,551.68 × 15,360.72
  4. Step 4: Simplify right side
    27,935.88x = 592,181,562.01
  5. Step 5: Solve for x
    x = 592,181,562.01/27,935.88
  6. Step 6: Final answer
    x = 21,197.88

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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.