Home / 26,287.86-39,439.89-9,192.48

Finding the Fourth Proportional to 26,287.86, 39,439.89 and 9,192.48

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Solution

The fourth proportional to 26,287.86, 39,439.89 and 9,192.48 is: 13,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.86 : 39,439.89 = 9,192.48 : x
  2. Step 2: Convert to fraction form
    26,287.86/39,439.89 = 9,192.48/x
  3. Step 3: Cross multiply
    26,287.86x = 39,439.89 × 9,192.48
  4. Step 4: Simplify right side
    26,287.86x = 362,550,400.03
  5. Step 5: Solve for x
    x = 362,550,400.03/26,287.86
  6. Step 6: Final answer
    x = 13,791.55

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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.