Home / 27,763.80-38,314.92-15,188.54

Finding the Fourth Proportional to 27,763.80, 38,314.92 and 15,188.54

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Solution

The fourth proportional to 27,763.80, 38,314.92 and 15,188.54 is: 20,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.80 : 38,314.92 = 15,188.54 : x
  2. Step 2: Convert to fraction form
    27,763.80/38,314.92 = 15,188.54/x
  3. Step 3: Cross multiply
    27,763.80x = 38,314.92 × 15,188.54
  4. Step 4: Simplify right side
    27,763.80x = 581,947,695.02
  5. Step 5: Solve for x
    x = 581,947,695.02/27,763.80
  6. Step 6: Final answer
    x = 20,960.66

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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.