Home / 27,076.04-40,609.10-12,281.40

Finding the Fourth Proportional to 27,076.04, 40,609.10 and 12,281.40

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Solution

The fourth proportional to 27,076.04, 40,609.10 and 12,281.40 is: 18,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.04 : 40,609.10 = 12,281.40 : x
  2. Step 2: Convert to fraction form
    27,076.04/40,609.10 = 12,281.40/x
  3. Step 3: Cross multiply
    27,076.04x = 40,609.10 × 12,281.40
  4. Step 4: Simplify right side
    27,076.04x = 498,736,600.74
  5. Step 5: Solve for x
    x = 498,736,600.74/27,076.04
  6. Step 6: Final answer
    x = 18,419.85

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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.