Home / 21,811.60-32,733.98-15,983.44

Finding the Fourth Proportional to 21,811.60, 32,733.98 and 15,983.44

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Solution

The fourth proportional to 21,811.60, 32,733.98 and 15,983.44 is: 23,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.60 : 32,733.98 = 15,983.44 : x
  2. Step 2: Convert to fraction form
    21,811.60/32,733.98 = 15,983.44/x
  3. Step 3: Cross multiply
    21,811.60x = 32,733.98 × 15,983.44
  4. Step 4: Simplify right side
    21,811.60x = 523,201,605.29
  5. Step 5: Solve for x
    x = 523,201,605.29/21,811.60
  6. Step 6: Final answer
    x = 23,987.31

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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.