Home / 29,256.16-40,368.32-16,680.80

Finding the Fourth Proportional to 29,256.16, 40,368.32 and 16,680.80

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Solution

The fourth proportional to 29,256.16, 40,368.32 and 16,680.80 is: 23,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256.16 : 40,368.32 = 16,680.80 : x
  2. Step 2: Convert to fraction form
    29,256.16/40,368.32 = 16,680.80/x
  3. Step 3: Cross multiply
    29,256.16x = 40,368.32 × 16,680.80
  4. Step 4: Simplify right side
    29,256.16x = 673,375,872.26
  5. Step 5: Solve for x
    x = 673,375,872.26/29,256.16
  6. Step 6: Final answer
    x = 23,016.55

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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.