Home / 23,855.40-32,921.28-13,245.21

Finding the Fourth Proportional to 23,855.40, 32,921.28 and 13,245.21

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Solution

The fourth proportional to 23,855.40, 32,921.28 and 13,245.21 is: 18,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.40 : 32,921.28 = 13,245.21 : x
  2. Step 2: Convert to fraction form
    23,855.40/32,921.28 = 13,245.21/x
  3. Step 3: Cross multiply
    23,855.40x = 32,921.28 × 13,245.21
  4. Step 4: Simplify right side
    23,855.40x = 436,049,267.07
  5. Step 5: Solve for x
    x = 436,049,267.07/23,855.40
  6. Step 6: Final answer
    x = 18,278.85

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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.