Home / 27,637.60-41,456.40-6,861.10

Finding the Fourth Proportional to 27,637.60, 41,456.40 and 6,861.10

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Solution

The fourth proportional to 27,637.60, 41,456.40 and 6,861.10 is: 10,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.60 : 41,456.40 = 6,861.10 : x
  2. Step 2: Convert to fraction form
    27,637.60/41,456.40 = 6,861.10/x
  3. Step 3: Cross multiply
    27,637.60x = 41,456.40 × 6,861.10
  4. Step 4: Simplify right side
    27,637.60x = 284,436,506.04
  5. Step 5: Solve for x
    x = 284,436,506.04/27,637.60
  6. Step 6: Final answer
    x = 10,291.65

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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.