Home / 25,838.24-38,758.29-7,119.74

Finding the Fourth Proportional to 25,838.24, 38,758.29 and 7,119.74

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Solution

The fourth proportional to 25,838.24, 38,758.29 and 7,119.74 is: 10,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.24 : 38,758.29 = 7,119.74 : x
  2. Step 2: Convert to fraction form
    25,838.24/38,758.29 = 7,119.74/x
  3. Step 3: Cross multiply
    25,838.24x = 38,758.29 × 7,119.74
  4. Step 4: Simplify right side
    25,838.24x = 275,948,947.64
  5. Step 5: Solve for x
    x = 275,948,947.64/25,838.24
  6. Step 6: Final answer
    x = 10,679.87

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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.