Home / 26,268.86-36,221.59-21,473.90

Finding the Fourth Proportional to 26,268.86, 36,221.59 and 21,473.90

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Solution

The fourth proportional to 26,268.86, 36,221.59 and 21,473.90 is: 29,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.86 : 36,221.59 = 21,473.90 : x
  2. Step 2: Convert to fraction form
    26,268.86/36,221.59 = 21,473.90/x
  3. Step 3: Cross multiply
    26,268.86x = 36,221.59 × 21,473.90
  4. Step 4: Simplify right side
    26,268.86x = 777,818,801.50
  5. Step 5: Solve for x
    x = 777,818,801.50/26,268.86
  6. Step 6: Final answer
    x = 29,609.92

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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.