Home / 20,232.12-30,298.92-13,975.44

Finding the Fourth Proportional to 20,232.12, 30,298.92 and 13,975.44

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Solution

The fourth proportional to 20,232.12, 30,298.92 and 13,975.44 is: 20,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.12 : 30,298.92 = 13,975.44 : x
  2. Step 2: Convert to fraction form
    20,232.12/30,298.92 = 13,975.44/x
  3. Step 3: Cross multiply
    20,232.12x = 30,298.92 × 13,975.44
  4. Step 4: Simplify right side
    20,232.12x = 423,440,738.52
  5. Step 5: Solve for x
    x = 423,440,738.52/20,232.12
  6. Step 6: Final answer
    x = 20,929.13

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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.