Home / 26,456.05-39,684.08-20,617.03

Finding the Fourth Proportional to 26,456.05, 39,684.08 and 20,617.03

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Solution

The fourth proportional to 26,456.05, 39,684.08 and 20,617.03 is: 30,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.05 : 39,684.08 = 20,617.03 : x
  2. Step 2: Convert to fraction form
    26,456.05/39,684.08 = 20,617.03/x
  3. Step 3: Cross multiply
    26,456.05x = 39,684.08 × 20,617.03
  4. Step 4: Simplify right side
    26,456.05x = 818,167,867.88
  5. Step 5: Solve for x
    x = 818,167,867.88/26,456.05
  6. Step 6: Final answer
    x = 30,925.55

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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.