Home / 26,909.80-40,388.70-15,802.60

Finding the Fourth Proportional to 26,909.80, 40,388.70 and 15,802.60

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Solution

The fourth proportional to 26,909.80, 40,388.70 and 15,802.60 is: 23,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.80 : 40,388.70 = 15,802.60 : x
  2. Step 2: Convert to fraction form
    26,909.80/40,388.70 = 15,802.60/x
  3. Step 3: Cross multiply
    26,909.80x = 40,388.70 × 15,802.60
  4. Step 4: Simplify right side
    26,909.80x = 638,246,470.62
  5. Step 5: Solve for x
    x = 638,246,470.62/26,909.80
  6. Step 6: Final answer
    x = 23,717.99

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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.