Home / 25,382.97-38,077.01-8,740.80

Finding the Fourth Proportional to 25,382.97, 38,077.01 and 8,740.80

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Solution

The fourth proportional to 25,382.97, 38,077.01 and 8,740.80 is: 13,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.97 : 38,077.01 = 8,740.80 : x
  2. Step 2: Convert to fraction form
    25,382.97/38,077.01 = 8,740.80/x
  3. Step 3: Cross multiply
    25,382.97x = 38,077.01 × 8,740.80
  4. Step 4: Simplify right side
    25,382.97x = 332,823,485.30
  5. Step 5: Solve for x
    x = 332,823,485.30/25,382.97
  6. Step 6: Final answer
    x = 13,112.08

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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.