Home / 27,164.85-40,754.21-8,445.05

Finding the Fourth Proportional to 27,164.85, 40,754.21 and 8,445.05

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Solution

The fourth proportional to 27,164.85, 40,754.21 and 8,445.05 is: 12,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.85 : 40,754.21 = 8,445.05 : x
  2. Step 2: Convert to fraction form
    27,164.85/40,754.21 = 8,445.05/x
  3. Step 3: Cross multiply
    27,164.85x = 40,754.21 × 8,445.05
  4. Step 4: Simplify right side
    27,164.85x = 344,171,095.16
  5. Step 5: Solve for x
    x = 344,171,095.16/27,164.85
  6. Step 6: Final answer
    x = 12,669.72

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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.