Home / 18,882.32-28,280.27-9,028.40

Finding the Fourth Proportional to 18,882.32, 28,280.27 and 9,028.40

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Solution

The fourth proportional to 18,882.32, 28,280.27 and 9,028.40 is: 13,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.32 : 28,280.27 = 9,028.40 : x
  2. Step 2: Convert to fraction form
    18,882.32/28,280.27 = 9,028.40/x
  3. Step 3: Cross multiply
    18,882.32x = 28,280.27 × 9,028.40
  4. Step 4: Simplify right side
    18,882.32x = 255,325,470.84
  5. Step 5: Solve for x
    x = 255,325,470.84/18,882.32
  6. Step 6: Final answer
    x = 13,521.94

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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.