Home / 26,280.47-39,399.42-17,939.48

Finding the Fourth Proportional to 26,280.47, 39,399.42 and 17,939.48

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Solution

The fourth proportional to 26,280.47, 39,399.42 and 17,939.48 is: 26,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.47 : 39,399.42 = 17,939.48 : x
  2. Step 2: Convert to fraction form
    26,280.47/39,399.42 = 17,939.48/x
  3. Step 3: Cross multiply
    26,280.47x = 39,399.42 × 17,939.48
  4. Step 4: Simplify right side
    26,280.47x = 706,805,107.10
  5. Step 5: Solve for x
    x = 706,805,107.10/26,280.47
  6. Step 6: Final answer
    x = 26,894.69

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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.