Home / 17,412.20-26,118.30-15,516.80

Finding the Fourth Proportional to 17,412.20, 26,118.30 and 15,516.80

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Solution

The fourth proportional to 17,412.20, 26,118.30 and 15,516.80 is: 23,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.20 : 26,118.30 = 15,516.80 : x
  2. Step 2: Convert to fraction form
    17,412.20/26,118.30 = 15,516.80/x
  3. Step 3: Cross multiply
    17,412.20x = 26,118.30 × 15,516.80
  4. Step 4: Simplify right side
    17,412.20x = 405,272,437.44
  5. Step 5: Solve for x
    x = 405,272,437.44/17,412.20
  6. Step 6: Final answer
    x = 23,275.20

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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.