Home / 23,328.38-34,843.90-21,103.78

Finding the Fourth Proportional to 23,328.38, 34,843.90 and 21,103.78

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Solution

The fourth proportional to 23,328.38, 34,843.90 and 21,103.78 is: 31,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.38 : 34,843.90 = 21,103.78 : x
  2. Step 2: Convert to fraction form
    23,328.38/34,843.90 = 21,103.78/x
  3. Step 3: Cross multiply
    23,328.38x = 34,843.90 × 21,103.78
  4. Step 4: Simplify right side
    23,328.38x = 735,337,999.94
  5. Step 5: Solve for x
    x = 735,337,999.94/23,328.38
  6. Step 6: Final answer
    x = 31,521.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.