Home / 27,948.60-41,922.90-18,601.20

Finding the Fourth Proportional to 27,948.60, 41,922.90 and 18,601.20

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Solution

The fourth proportional to 27,948.60, 41,922.90 and 18,601.20 is: 27,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.60 : 41,922.90 = 18,601.20 : x
  2. Step 2: Convert to fraction form
    27,948.60/41,922.90 = 18,601.20/x
  3. Step 3: Cross multiply
    27,948.60x = 41,922.90 × 18,601.20
  4. Step 4: Simplify right side
    27,948.60x = 779,816,247.48
  5. Step 5: Solve for x
    x = 779,816,247.48/27,948.60
  6. Step 6: Final answer
    x = 27,901.80

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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.