Home / 25,251.30-34,840.82-14,638.90

Finding the Fourth Proportional to 25,251.30, 34,840.82 and 14,638.90

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Solution

The fourth proportional to 25,251.30, 34,840.82 and 14,638.90 is: 20,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.30 : 34,840.82 = 14,638.90 : x
  2. Step 2: Convert to fraction form
    25,251.30/34,840.82 = 14,638.90/x
  3. Step 3: Cross multiply
    25,251.30x = 34,840.82 × 14,638.90
  4. Step 4: Simplify right side
    25,251.30x = 510,031,279.90
  5. Step 5: Solve for x
    x = 510,031,279.90/25,251.30
  6. Step 6: Final answer
    x = 20,198.22

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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.