Home / 25,732.48-38,574.06-8,190.88

Finding the Fourth Proportional to 25,732.48, 38,574.06 and 8,190.88

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Solution

The fourth proportional to 25,732.48, 38,574.06 and 8,190.88 is: 12,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,732.48 : 38,574.06 = 8,190.88 : x
  2. Step 2: Convert to fraction form
    25,732.48/38,574.06 = 8,190.88/x
  3. Step 3: Cross multiply
    25,732.48x = 38,574.06 × 8,190.88
  4. Step 4: Simplify right side
    25,732.48x = 315,955,496.57
  5. Step 5: Solve for x
    x = 315,955,496.57/25,732.48
  6. Step 6: Final answer
    x = 12,278.47

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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.