Home / 32,928.28-45,422.50-20,825.04

Finding the Fourth Proportional to 32,928.28, 45,422.50 and 20,825.04

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Solution

The fourth proportional to 32,928.28, 45,422.50 and 20,825.04 is: 28,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.28 : 45,422.50 = 20,825.04 : x
  2. Step 2: Convert to fraction form
    32,928.28/45,422.50 = 20,825.04/x
  3. Step 3: Cross multiply
    32,928.28x = 45,422.50 × 20,825.04
  4. Step 4: Simplify right side
    32,928.28x = 945,925,379.40
  5. Step 5: Solve for x
    x = 945,925,379.40/32,928.28
  6. Step 6: Final answer
    x = 28,726.84

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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.