Home / 27,890.70-41,807.97-12,305.58

Finding the Fourth Proportional to 27,890.70, 41,807.97 and 12,305.58

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Solution

The fourth proportional to 27,890.70, 41,807.97 and 12,305.58 is: 18,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.70 : 41,807.97 = 12,305.58 : x
  2. Step 2: Convert to fraction form
    27,890.70/41,807.97 = 12,305.58/x
  3. Step 3: Cross multiply
    27,890.70x = 41,807.97 × 12,305.58
  4. Step 4: Simplify right side
    27,890.70x = 514,471,319.47
  5. Step 5: Solve for x
    x = 514,471,319.47/27,890.70
  6. Step 6: Final answer
    x = 18,445.98

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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.