Home / 28,576.06-42,866.89-9,853.61

Finding the Fourth Proportional to 28,576.06, 42,866.89 and 9,853.61

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Solution

The fourth proportional to 28,576.06, 42,866.89 and 9,853.61 is: 14,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.06 : 42,866.89 = 9,853.61 : x
  2. Step 2: Convert to fraction form
    28,576.06/42,866.89 = 9,853.61/x
  3. Step 3: Cross multiply
    28,576.06x = 42,866.89 × 9,853.61
  4. Step 4: Simplify right side
    28,576.06x = 422,393,377.00
  5. Step 5: Solve for x
    x = 422,393,377.00/28,576.06
  6. Step 6: Final answer
    x = 14,781.37

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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.