Home / 27,660.40-41,490.60-9,192.40

Finding the Fourth Proportional to 27,660.40, 41,490.60 and 9,192.40

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Solution

The fourth proportional to 27,660.40, 41,490.60 and 9,192.40 is: 13,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660.40 : 41,490.60 = 9,192.40 : x
  2. Step 2: Convert to fraction form
    27,660.40/41,490.60 = 9,192.40/x
  3. Step 3: Cross multiply
    27,660.40x = 41,490.60 × 9,192.40
  4. Step 4: Simplify right side
    27,660.40x = 381,398,191.44
  5. Step 5: Solve for x
    x = 381,398,191.44/27,660.40
  6. Step 6: Final answer
    x = 13,788.60

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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.