Home / 27,095.60-40,615.68-18,331.44

Finding the Fourth Proportional to 27,095.60, 40,615.68 and 18,331.44

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Solution

The fourth proportional to 27,095.60, 40,615.68 and 18,331.44 is: 27,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.60 : 40,615.68 = 18,331.44 : x
  2. Step 2: Convert to fraction form
    27,095.60/40,615.68 = 18,331.44/x
  3. Step 3: Cross multiply
    27,095.60x = 40,615.68 × 18,331.44
  4. Step 4: Simplify right side
    27,095.60x = 744,543,900.98
  5. Step 5: Solve for x
    x = 744,543,900.98/27,095.60
  6. Step 6: Final answer
    x = 27,478.41

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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.