Home / 26,999.30-40,470.15-10,352.90

Finding the Fourth Proportional to 26,999.30, 40,470.15 and 10,352.90

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Solution

The fourth proportional to 26,999.30, 40,470.15 and 10,352.90 is: 15,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.30 : 40,470.15 = 10,352.90 : x
  2. Step 2: Convert to fraction form
    26,999.30/40,470.15 = 10,352.90/x
  3. Step 3: Cross multiply
    26,999.30x = 40,470.15 × 10,352.90
  4. Step 4: Simplify right side
    26,999.30x = 418,983,415.94
  5. Step 5: Solve for x
    x = 418,983,415.94/26,999.30
  6. Step 6: Final answer
    x = 15,518.31

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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.