Home / 27,612.12-38,104.91-15,675.66

Finding the Fourth Proportional to 27,612.12, 38,104.91 and 15,675.66

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Solution

The fourth proportional to 27,612.12, 38,104.91 and 15,675.66 is: 21,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.12 : 38,104.91 = 15,675.66 : x
  2. Step 2: Convert to fraction form
    27,612.12/38,104.91 = 15,675.66/x
  3. Step 3: Cross multiply
    27,612.12x = 38,104.91 × 15,675.66
  4. Step 4: Simplify right side
    27,612.12x = 597,319,535.11
  5. Step 5: Solve for x
    x = 597,319,535.11/27,612.12
  6. Step 6: Final answer
    x = 21,632.51

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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.