Home / 27,941.20-38,559.12-15,366

Finding the Fourth Proportional to 27,941.20, 38,559.12 and 15,366

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Solution

The fourth proportional to 27,941.20, 38,559.12 and 15,366 is: 21,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.20 : 38,559.12 = 15,366 : x
  2. Step 2: Convert to fraction form
    27,941.20/38,559.12 = 15,366/x
  3. Step 3: Cross multiply
    27,941.20x = 38,559.12 × 15,366
  4. Step 4: Simplify right side
    27,941.20x = 592,499,437.92
  5. Step 5: Solve for x
    x = 592,499,437.92/27,941.20
  6. Step 6: Final answer
    x = 21,205.23

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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.