Home / 17,397.20-26,074.20-15,539.60

Finding the Fourth Proportional to 17,397.20, 26,074.20 and 15,539.60

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Solution

The fourth proportional to 17,397.20, 26,074.20 and 15,539.60 is: 23,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.20 : 26,074.20 = 15,539.60 : x
  2. Step 2: Convert to fraction form
    17,397.20/26,074.20 = 15,539.60/x
  3. Step 3: Cross multiply
    17,397.20x = 26,074.20 × 15,539.60
  4. Step 4: Simplify right side
    17,397.20x = 405,182,638.32
  5. Step 5: Solve for x
    x = 405,182,638.32/17,397.20
  6. Step 6: Final answer
    x = 23,290.11

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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.