Home / 40,143.24-60,214.86-16,753.28

Finding the Fourth Proportional to 40,143.24, 60,214.86 and 16,753.28

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Solution

The fourth proportional to 40,143.24, 60,214.86 and 16,753.28 is: 25,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.24 : 60,214.86 = 16,753.28 : x
  2. Step 2: Convert to fraction form
    40,143.24/60,214.86 = 16,753.28/x
  3. Step 3: Cross multiply
    40,143.24x = 60,214.86 × 16,753.28
  4. Step 4: Simplify right side
    40,143.24x = 1,008,796,409.74
  5. Step 5: Solve for x
    x = 1,008,796,409.74/40,143.24
  6. Step 6: Final answer
    x = 25,129.92

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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.