Home / 25,428.68-35,079.11-22,066.78

Finding the Fourth Proportional to 25,428.68, 35,079.11 and 22,066.78

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Solution

The fourth proportional to 25,428.68, 35,079.11 and 22,066.78 is: 30,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.68 : 35,079.11 = 22,066.78 : x
  2. Step 2: Convert to fraction form
    25,428.68/35,079.11 = 22,066.78/x
  3. Step 3: Cross multiply
    25,428.68x = 35,079.11 × 22,066.78
  4. Step 4: Simplify right side
    25,428.68x = 774,082,827.57
  5. Step 5: Solve for x
    x = 774,082,827.57/25,428.68
  6. Step 6: Final answer
    x = 30,441.33

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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.