Home / 17,718.40-26,577.60-16,220.80

Finding the Fourth Proportional to 17,718.40, 26,577.60 and 16,220.80

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Solution

The fourth proportional to 17,718.40, 26,577.60 and 16,220.80 is: 24,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.40 : 26,577.60 = 16,220.80 : x
  2. Step 2: Convert to fraction form
    17,718.40/26,577.60 = 16,220.80/x
  3. Step 3: Cross multiply
    17,718.40x = 26,577.60 × 16,220.80
  4. Step 4: Simplify right side
    17,718.40x = 431,109,934.08
  5. Step 5: Solve for x
    x = 431,109,934.08/17,718.40
  6. Step 6: Final answer
    x = 24,331.20

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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.