Home / 40,569.76-60,858.48-15,940

Finding the Fourth Proportional to 40,569.76, 60,858.48 and 15,940

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Solution

The fourth proportional to 40,569.76, 60,858.48 and 15,940 is: 23,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,569.76 : 60,858.48 = 15,940 : x
  2. Step 2: Convert to fraction form
    40,569.76/60,858.48 = 15,940/x
  3. Step 3: Cross multiply
    40,569.76x = 60,858.48 × 15,940
  4. Step 4: Simplify right side
    40,569.76x = 970,084,171.20
  5. Step 5: Solve for x
    x = 970,084,171.20/40,569.76
  6. Step 6: Final answer
    x = 23,911.51

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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.