Home / 25,789.56-38,659.23-13,323.66

Finding the Fourth Proportional to 25,789.56, 38,659.23 and 13,323.66

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Solution

The fourth proportional to 25,789.56, 38,659.23 and 13,323.66 is: 19,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.56 : 38,659.23 = 13,323.66 : x
  2. Step 2: Convert to fraction form
    25,789.56/38,659.23 = 13,323.66/x
  3. Step 3: Cross multiply
    25,789.56x = 38,659.23 × 13,323.66
  4. Step 4: Simplify right side
    25,789.56x = 515,082,436.38
  5. Step 5: Solve for x
    x = 515,082,436.38/25,789.56
  6. Step 6: Final answer
    x = 19,972.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.