Home / 26,268.98-36,264.57-20,287.22

Finding the Fourth Proportional to 26,268.98, 36,264.57 and 20,287.22

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Solution

The fourth proportional to 26,268.98, 36,264.57 and 20,287.22 is: 28,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.98 : 36,264.57 = 20,287.22 : x
  2. Step 2: Convert to fraction form
    26,268.98/36,264.57 = 20,287.22/x
  3. Step 3: Cross multiply
    26,268.98x = 36,264.57 × 20,287.22
  4. Step 4: Simplify right side
    26,268.98x = 735,707,309.80
  5. Step 5: Solve for x
    x = 735,707,309.80/26,268.98
  6. Step 6: Final answer
    x = 28,006.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.