Home / 26,271.98-36,268.71-20,290.22

Finding the Fourth Proportional to 26,271.98, 36,268.71 and 20,290.22

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Solution

The fourth proportional to 26,271.98, 36,268.71 and 20,290.22 is: 28,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.98 : 36,268.71 = 20,290.22 : x
  2. Step 2: Convert to fraction form
    26,271.98/36,268.71 = 20,290.22/x
  3. Step 3: Cross multiply
    26,271.98x = 36,268.71 × 20,290.22
  4. Step 4: Simplify right side
    26,271.98x = 735,900,105.02
  5. Step 5: Solve for x
    x = 735,900,105.02/26,271.98
  6. Step 6: Final answer
    x = 28,010.84

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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.