Home / 21,731.66-32,597.50-13,989.68

Finding the Fourth Proportional to 21,731.66, 32,597.50 and 13,989.68

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Solution

The fourth proportional to 21,731.66, 32,597.50 and 13,989.68 is: 20,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.66 : 32,597.50 = 13,989.68 : x
  2. Step 2: Convert to fraction form
    21,731.66/32,597.50 = 13,989.68/x
  3. Step 3: Cross multiply
    21,731.66x = 32,597.50 × 13,989.68
  4. Step 4: Simplify right side
    21,731.66x = 456,028,593.80
  5. Step 5: Solve for x
    x = 456,028,593.80/21,731.66
  6. Step 6: Final answer
    x = 20,984.53

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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.