Home / 25,601.28-38,378.88-13,251.84

Finding the Fourth Proportional to 25,601.28, 38,378.88 and 13,251.84

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Solution

The fourth proportional to 25,601.28, 38,378.88 and 13,251.84 is: 19,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.28 : 38,378.88 = 13,251.84 : x
  2. Step 2: Convert to fraction form
    25,601.28/38,378.88 = 13,251.84/x
  3. Step 3: Cross multiply
    25,601.28x = 38,378.88 × 13,251.84
  4. Step 4: Simplify right side
    25,601.28x = 508,590,777.14
  5. Step 5: Solve for x
    x = 508,590,777.14/25,601.28
  6. Step 6: Final answer
    x = 19,865.83

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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.