Home / 28,335.38-42,491.70-8,610.26

Finding the Fourth Proportional to 28,335.38, 42,491.70 and 8,610.26

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Solution

The fourth proportional to 28,335.38, 42,491.70 and 8,610.26 is: 12,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.38 : 42,491.70 = 8,610.26 : x
  2. Step 2: Convert to fraction form
    28,335.38/42,491.70 = 8,610.26/x
  3. Step 3: Cross multiply
    28,335.38x = 42,491.70 × 8,610.26
  4. Step 4: Simplify right side
    28,335.38x = 365,864,372.38
  5. Step 5: Solve for x
    x = 365,864,372.38/28,335.38
  6. Step 6: Final answer
    x = 12,911.93

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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.