Home / 20,562.66-30,845.50-18,114.44

Finding the Fourth Proportional to 20,562.66, 30,845.50 and 18,114.44

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Solution

The fourth proportional to 20,562.66, 30,845.50 and 18,114.44 is: 27,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.66 : 30,845.50 = 18,114.44 : x
  2. Step 2: Convert to fraction form
    20,562.66/30,845.50 = 18,114.44/x
  3. Step 3: Cross multiply
    20,562.66x = 30,845.50 × 18,114.44
  4. Step 4: Simplify right side
    20,562.66x = 558,748,959.02
  5. Step 5: Solve for x
    x = 558,748,959.02/20,562.66
  6. Step 6: Final answer
    x = 27,172.99

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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.