Home / 27,000.40-40,549.20-26,125.60

Finding the Fourth Proportional to 27,000.40, 40,549.20 and 26,125.60

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Solution

The fourth proportional to 27,000.40, 40,549.20 and 26,125.60 is: 39,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,000.40 : 40,549.20 = 26,125.60 : x
  2. Step 2: Convert to fraction form
    27,000.40/40,549.20 = 26,125.60/x
  3. Step 3: Cross multiply
    27,000.40x = 40,549.20 × 26,125.60
  4. Step 4: Simplify right side
    27,000.40x = 1,059,372,179.52
  5. Step 5: Solve for x
    x = 1,059,372,179.52/27,000.40
  6. Step 6: Final answer
    x = 39,235.43

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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.