Home / 27,932.46-38,548.71-15,357.21

Finding the Fourth Proportional to 27,932.46, 38,548.71 and 15,357.21

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Solution

The fourth proportional to 27,932.46, 38,548.71 and 15,357.21 is: 21,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.46 : 38,548.71 = 15,357.21 : x
  2. Step 2: Convert to fraction form
    27,932.46/38,548.71 = 15,357.21/x
  3. Step 3: Cross multiply
    27,932.46x = 38,548.71 × 15,357.21
  4. Step 4: Simplify right side
    27,932.46x = 592,000,634.70
  5. Step 5: Solve for x
    x = 592,000,634.70/27,932.46
  6. Step 6: Final answer
    x = 21,194.00

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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.