Home / 26,287.80-39,451.86-10,718.52

Finding the Fourth Proportional to 26,287.80, 39,451.86 and 10,718.52

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Solution

The fourth proportional to 26,287.80, 39,451.86 and 10,718.52 is: 16,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.80 : 39,451.86 = 10,718.52 : x
  2. Step 2: Convert to fraction form
    26,287.80/39,451.86 = 10,718.52/x
  3. Step 3: Cross multiply
    26,287.80x = 39,451.86 × 10,718.52
  4. Step 4: Simplify right side
    26,287.80x = 422,865,550.45
  5. Step 5: Solve for x
    x = 422,865,550.45/26,287.80
  6. Step 6: Final answer
    x = 16,086.00

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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.