Home / 26,278.98-36,278.37-20,297.22

Finding the Fourth Proportional to 26,278.98, 36,278.37 and 20,297.22

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Solution

The fourth proportional to 26,278.98, 36,278.37 and 20,297.22 is: 28,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.98 : 36,278.37 = 20,297.22 : x
  2. Step 2: Convert to fraction form
    26,278.98/36,278.37 = 20,297.22/x
  3. Step 3: Cross multiply
    26,278.98x = 36,278.37 × 20,297.22
  4. Step 4: Simplify right side
    26,278.98x = 736,350,057.13
  5. Step 5: Solve for x
    x = 736,350,057.13/26,278.98
  6. Step 6: Final answer
    x = 28,020.50

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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.