Home / 27,020.92-40,530.18-8,300.20

Finding the Fourth Proportional to 27,020.92, 40,530.18 and 8,300.20

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Solution

The fourth proportional to 27,020.92, 40,530.18 and 8,300.20 is: 12,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.92 : 40,530.18 = 8,300.20 : x
  2. Step 2: Convert to fraction form
    27,020.92/40,530.18 = 8,300.20/x
  3. Step 3: Cross multiply
    27,020.92x = 40,530.18 × 8,300.20
  4. Step 4: Simplify right side
    27,020.92x = 336,408,600.04
  5. Step 5: Solve for x
    x = 336,408,600.04/27,020.92
  6. Step 6: Final answer
    x = 12,449.93

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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.