Home / 32,928.28-45,443.68-18,782.20

Finding the Fourth Proportional to 32,928.28, 45,443.68 and 18,782.20

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Solution

The fourth proportional to 32,928.28, 45,443.68 and 18,782.20 is: 25,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.28 : 45,443.68 = 18,782.20 : x
  2. Step 2: Convert to fraction form
    32,928.28/45,443.68 = 18,782.20/x
  3. Step 3: Cross multiply
    32,928.28x = 45,443.68 × 18,782.20
  4. Step 4: Simplify right side
    32,928.28x = 853,532,286.50
  5. Step 5: Solve for x
    x = 853,532,286.50/32,928.28
  6. Step 6: Final answer
    x = 25,920.95

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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.