Home / 27,932.13-38,548.71-15,359.31

Finding the Fourth Proportional to 27,932.13, 38,548.71 and 15,359.31

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Solution

The fourth proportional to 27,932.13, 38,548.71 and 15,359.31 is: 21,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.13 : 38,548.71 = 15,359.31 : x
  2. Step 2: Convert to fraction form
    27,932.13/38,548.71 = 15,359.31/x
  3. Step 3: Cross multiply
    27,932.13x = 38,548.71 × 15,359.31
  4. Step 4: Simplify right side
    27,932.13x = 592,081,586.99
  5. Step 5: Solve for x
    x = 592,081,586.99/27,932.13
  6. Step 6: Final answer
    x = 21,197.15

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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.