Home / 21,924.60-32,811.30-13,165.80

Finding the Fourth Proportional to 21,924.60, 32,811.30 and 13,165.80

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Solution

The fourth proportional to 21,924.60, 32,811.30 and 13,165.80 is: 19,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.60 : 32,811.30 = 13,165.80 : x
  2. Step 2: Convert to fraction form
    21,924.60/32,811.30 = 13,165.80/x
  3. Step 3: Cross multiply
    21,924.60x = 32,811.30 × 13,165.80
  4. Step 4: Simplify right side
    21,924.60x = 431,987,013.54
  5. Step 5: Solve for x
    x = 431,987,013.54/21,924.60
  6. Step 6: Final answer
    x = 19,703.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.