Home / 17,720.20-26,580.30-17,374.60

Finding the Fourth Proportional to 17,720.20, 26,580.30 and 17,374.60

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Solution

The fourth proportional to 17,720.20, 26,580.30 and 17,374.60 is: 26,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.20 : 26,580.30 = 17,374.60 : x
  2. Step 2: Convert to fraction form
    17,720.20/26,580.30 = 17,374.60/x
  3. Step 3: Cross multiply
    17,720.20x = 26,580.30 × 17,374.60
  4. Step 4: Simplify right side
    17,720.20x = 461,822,080.38
  5. Step 5: Solve for x
    x = 461,822,080.38/17,720.20
  6. Step 6: Final answer
    x = 26,061.90

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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.