Home / 26,317.27-39,405.17-20,047.42

Finding the Fourth Proportional to 26,317.27, 39,405.17 and 20,047.42

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Solution

The fourth proportional to 26,317.27, 39,405.17 and 20,047.42 is: 30,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.27 : 39,405.17 = 20,047.42 : x
  2. Step 2: Convert to fraction form
    26,317.27/39,405.17 = 20,047.42/x
  3. Step 3: Cross multiply
    26,317.27x = 39,405.17 × 20,047.42
  4. Step 4: Simplify right side
    26,317.27x = 789,971,993.16
  5. Step 5: Solve for x
    x = 789,971,993.16/26,317.27
  6. Step 6: Final answer
    x = 30,017.25

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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.