Home / 27,320.10-40,957.65-12,328.20

Finding the Fourth Proportional to 27,320.10, 40,957.65 and 12,328.20

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Solution

The fourth proportional to 27,320.10, 40,957.65 and 12,328.20 is: 18,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.10 : 40,957.65 = 12,328.20 : x
  2. Step 2: Convert to fraction form
    27,320.10/40,957.65 = 12,328.20/x
  3. Step 3: Cross multiply
    27,320.10x = 40,957.65 × 12,328.20
  4. Step 4: Simplify right side
    27,320.10x = 504,934,100.73
  5. Step 5: Solve for x
    x = 504,934,100.73/27,320.10
  6. Step 6: Final answer
    x = 18,482.15

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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.