Home / 27,877.20-41,830.20-12,296.40

Finding the Fourth Proportional to 27,877.20, 41,830.20 and 12,296.40

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Solution

The fourth proportional to 27,877.20, 41,830.20 and 12,296.40 is: 18,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.20 : 41,830.20 = 12,296.40 : x
  2. Step 2: Convert to fraction form
    27,877.20/41,830.20 = 12,296.40/x
  3. Step 3: Cross multiply
    27,877.20x = 41,830.20 × 12,296.40
  4. Step 4: Simplify right side
    27,877.20x = 514,360,871.28
  5. Step 5: Solve for x
    x = 514,360,871.28/27,877.20
  6. Step 6: Final answer
    x = 18,450.95

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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.