Home / 20,326.32-28,028.16-17,650.08

Finding the Fourth Proportional to 20,326.32, 28,028.16 and 17,650.08

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Solution

The fourth proportional to 20,326.32, 28,028.16 and 17,650.08 is: 24,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.32 : 28,028.16 = 17,650.08 : x
  2. Step 2: Convert to fraction form
    20,326.32/28,028.16 = 17,650.08/x
  3. Step 3: Cross multiply
    20,326.32x = 28,028.16 × 17,650.08
  4. Step 4: Simplify right side
    20,326.32x = 494,699,266.25
  5. Step 5: Solve for x
    x = 494,699,266.25/20,326.32
  6. Step 6: Final answer
    x = 24,337.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.