Home / 20,028.10-29,998.95-17,839.30

Finding the Fourth Proportional to 20,028.10, 29,998.95 and 17,839.30

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Solution

The fourth proportional to 20,028.10, 29,998.95 and 17,839.30 is: 26,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.10 : 29,998.95 = 17,839.30 : x
  2. Step 2: Convert to fraction form
    20,028.10/29,998.95 = 17,839.30/x
  3. Step 3: Cross multiply
    20,028.10x = 29,998.95 × 17,839.30
  4. Step 4: Simplify right side
    20,028.10x = 535,160,268.74
  5. Step 5: Solve for x
    x = 535,160,268.74/20,028.10
  6. Step 6: Final answer
    x = 26,720.47

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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.