Home / 26,341.89-39,471.21-21,387.32

Finding the Fourth Proportional to 26,341.89, 39,471.21 and 21,387.32

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Solution

The fourth proportional to 26,341.89, 39,471.21 and 21,387.32 is: 32,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,341.89 : 39,471.21 = 21,387.32 : x
  2. Step 2: Convert to fraction form
    26,341.89/39,471.21 = 21,387.32/x
  3. Step 3: Cross multiply
    26,341.89x = 39,471.21 × 21,387.32
  4. Step 4: Simplify right side
    26,341.89x = 844,183,201.70
  5. Step 5: Solve for x
    x = 844,183,201.70/26,341.89
  6. Step 6: Final answer
    x = 32,047.18

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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.