Home / 24,915.36-34,304.40-20,215.20

Finding the Fourth Proportional to 24,915.36, 34,304.40 and 20,215.20

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Solution

The fourth proportional to 24,915.36, 34,304.40 and 20,215.20 is: 27,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,915.36 : 34,304.40 = 20,215.20 : x
  2. Step 2: Convert to fraction form
    24,915.36/34,304.40 = 20,215.20/x
  3. Step 3: Cross multiply
    24,915.36x = 34,304.40 × 20,215.20
  4. Step 4: Simplify right side
    24,915.36x = 693,470,306.88
  5. Step 5: Solve for x
    x = 693,470,306.88/24,915.36
  6. Step 6: Final answer
    x = 27,833.04

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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.