Home / 23,878.80-32,943.30-13,805.38

Finding the Fourth Proportional to 23,878.80, 32,943.30 and 13,805.38

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Solution

The fourth proportional to 23,878.80, 32,943.30 and 13,805.38 is: 19,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.80 : 32,943.30 = 13,805.38 : x
  2. Step 2: Convert to fraction form
    23,878.80/32,943.30 = 13,805.38/x
  3. Step 3: Cross multiply
    23,878.80x = 32,943.30 × 13,805.38
  4. Step 4: Simplify right side
    23,878.80x = 454,794,774.95
  5. Step 5: Solve for x
    x = 454,794,774.95/23,878.80
  6. Step 6: Final answer
    x = 19,045.96

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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.