Home / 28,193.08-42,295.20-12,610.84

Finding the Fourth Proportional to 28,193.08, 42,295.20 and 12,610.84

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Solution

The fourth proportional to 28,193.08, 42,295.20 and 12,610.84 is: 18,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.08 : 42,295.20 = 12,610.84 : x
  2. Step 2: Convert to fraction form
    28,193.08/42,295.20 = 12,610.84/x
  3. Step 3: Cross multiply
    28,193.08x = 42,295.20 × 12,610.84
  4. Step 4: Simplify right side
    28,193.08x = 533,377,999.97
  5. Step 5: Solve for x
    x = 533,377,999.97/28,193.08
  6. Step 6: Final answer
    x = 18,918.76

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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.