Home / 25,838.91-38,758.57-7,119.97

Finding the Fourth Proportional to 25,838.91, 38,758.57 and 7,119.97

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Solution

The fourth proportional to 25,838.91, 38,758.57 and 7,119.97 is: 10,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.91 : 38,758.57 = 7,119.97 : x
  2. Step 2: Convert to fraction form
    25,838.91/38,758.57 = 7,119.97/x
  3. Step 3: Cross multiply
    25,838.91x = 38,758.57 × 7,119.97
  4. Step 4: Simplify right side
    25,838.91x = 275,959,740.95
  5. Step 5: Solve for x
    x = 275,959,740.95/25,838.91
  6. Step 6: Final answer
    x = 10,680.01

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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.