Home / 29,379.28-40,523.36-18,764.16

Finding the Fourth Proportional to 29,379.28, 40,523.36 and 18,764.16

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Solution

The fourth proportional to 29,379.28, 40,523.36 and 18,764.16 is: 25,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.28 : 40,523.36 = 18,764.16 : x
  2. Step 2: Convert to fraction form
    29,379.28/40,523.36 = 18,764.16/x
  3. Step 3: Cross multiply
    29,379.28x = 40,523.36 × 18,764.16
  4. Step 4: Simplify right side
    29,379.28x = 760,386,810.78
  5. Step 5: Solve for x
    x = 760,386,810.78/29,379.28
  6. Step 6: Final answer
    x = 25,881.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.