Home / 20,042.02-27,658.02-11,089.90

Finding the Fourth Proportional to 20,042.02, 27,658.02 and 11,089.90

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Solution

The fourth proportional to 20,042.02, 27,658.02 and 11,089.90 is: 15,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.02 : 27,658.02 = 11,089.90 : x
  2. Step 2: Convert to fraction form
    20,042.02/27,658.02 = 11,089.90/x
  3. Step 3: Cross multiply
    20,042.02x = 27,658.02 × 11,089.90
  4. Step 4: Simplify right side
    20,042.02x = 306,724,676.00
  5. Step 5: Solve for x
    x = 306,724,676.00/20,042.02
  6. Step 6: Final answer
    x = 15,304.08

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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.