Home / 27,964.55-38,591.73-15,865.85

Finding the Fourth Proportional to 27,964.55, 38,591.73 and 15,865.85

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Solution

The fourth proportional to 27,964.55, 38,591.73 and 15,865.85 is: 21,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.55 : 38,591.73 = 15,865.85 : x
  2. Step 2: Convert to fraction form
    27,964.55/38,591.73 = 15,865.85/x
  3. Step 3: Cross multiply
    27,964.55x = 38,591.73 × 15,865.85
  4. Step 4: Simplify right side
    27,964.55x = 612,290,406.46
  5. Step 5: Solve for x
    x = 612,290,406.46/27,964.55
  6. Step 6: Final answer
    x = 21,895.24

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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.