Home / 27,890.20-41,807.22-12,305.08

Finding the Fourth Proportional to 27,890.20, 41,807.22 and 12,305.08

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Solution

The fourth proportional to 27,890.20, 41,807.22 and 12,305.08 is: 18,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.20 : 41,807.22 = 12,305.08 : x
  2. Step 2: Convert to fraction form
    27,890.20/41,807.22 = 12,305.08/x
  3. Step 3: Cross multiply
    27,890.20x = 41,807.22 × 12,305.08
  4. Step 4: Simplify right side
    27,890.20x = 514,441,186.68
  5. Step 5: Solve for x
    x = 514,441,186.68/27,890.20
  6. Step 6: Final answer
    x = 18,445.23

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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.