Home / 28,563.60-42,723.90-25,623.30

Finding the Fourth Proportional to 28,563.60, 42,723.90 and 25,623.30

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Solution

The fourth proportional to 28,563.60, 42,723.90 and 25,623.30 is: 38,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.60 : 42,723.90 = 25,623.30 : x
  2. Step 2: Convert to fraction form
    28,563.60/42,723.90 = 25,623.30/x
  3. Step 3: Cross multiply
    28,563.60x = 42,723.90 × 25,623.30
  4. Step 4: Simplify right side
    28,563.60x = 1,094,727,306.87
  5. Step 5: Solve for x
    x = 1,094,727,306.87/28,563.60
  6. Step 6: Final answer
    x = 38,325.96

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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.