Home / 29,164.08-40,256.28-20,223.44

Finding the Fourth Proportional to 29,164.08, 40,256.28 and 20,223.44

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Solution

The fourth proportional to 29,164.08, 40,256.28 and 20,223.44 is: 27,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.08 : 40,256.28 = 20,223.44 : x
  2. Step 2: Convert to fraction form
    29,164.08/40,256.28 = 20,223.44/x
  3. Step 3: Cross multiply
    29,164.08x = 40,256.28 × 20,223.44
  4. Step 4: Simplify right side
    29,164.08x = 814,120,463.20
  5. Step 5: Solve for x
    x = 814,120,463.20/29,164.08
  6. Step 6: Final answer
    x = 27,915.18

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1.5x scale

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.