Home / 27,098.90-40,636.20-12,300.20

Finding the Fourth Proportional to 27,098.90, 40,636.20 and 12,300.20

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Solution

The fourth proportional to 27,098.90, 40,636.20 and 12,300.20 is: 18,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.90 : 40,636.20 = 12,300.20 : x
  2. Step 2: Convert to fraction form
    27,098.90/40,636.20 = 12,300.20/x
  3. Step 3: Cross multiply
    27,098.90x = 40,636.20 × 12,300.20
  4. Step 4: Simplify right side
    27,098.90x = 499,833,387.24
  5. Step 5: Solve for x
    x = 499,833,387.24/27,098.90
  6. Step 6: Final answer
    x = 18,444.79

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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.