Home / 26,242.31-39,305.77-21,687.75

Finding the Fourth Proportional to 26,242.31, 39,305.77 and 21,687.75

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Solution

The fourth proportional to 26,242.31, 39,305.77 and 21,687.75 is: 32,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,242.31 : 39,305.77 = 21,687.75 : x
  2. Step 2: Convert to fraction form
    26,242.31/39,305.77 = 21,687.75/x
  3. Step 3: Cross multiply
    26,242.31x = 39,305.77 × 21,687.75
  4. Step 4: Simplify right side
    26,242.31x = 852,453,713.32
  5. Step 5: Solve for x
    x = 852,453,713.32/26,242.31
  6. Step 6: Final answer
    x = 32,483.94

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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.