Home / 28,799.70-43,181.02-12,155.27

Finding the Fourth Proportional to 28,799.70, 43,181.02 and 12,155.27

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Solution

The fourth proportional to 28,799.70, 43,181.02 and 12,155.27 is: 18,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.70 : 43,181.02 = 12,155.27 : x
  2. Step 2: Convert to fraction form
    28,799.70/43,181.02 = 12,155.27/x
  3. Step 3: Cross multiply
    28,799.70x = 43,181.02 × 12,155.27
  4. Step 4: Simplify right side
    28,799.70x = 524,876,790.45
  5. Step 5: Solve for x
    x = 524,876,790.45/28,799.70
  6. Step 6: Final answer
    x = 18,225.08

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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.