Home / 21,033.02-29,027.13-12,080.90

Finding the Fourth Proportional to 21,033.02, 29,027.13 and 12,080.90

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Solution

The fourth proportional to 21,033.02, 29,027.13 and 12,080.90 is: 16,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.02 : 29,027.13 = 12,080.90 : x
  2. Step 2: Convert to fraction form
    21,033.02/29,027.13 = 12,080.90/x
  3. Step 3: Cross multiply
    21,033.02x = 29,027.13 × 12,080.90
  4. Step 4: Simplify right side
    21,033.02x = 350,673,882.08
  5. Step 5: Solve for x
    x = 350,673,882.08/21,033.02
  6. Step 6: Final answer
    x = 16,672.54

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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.