Home / 28,822.50-43,250.76-12,181.50

Finding the Fourth Proportional to 28,822.50, 43,250.76 and 12,181.50

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Solution

The fourth proportional to 28,822.50, 43,250.76 and 12,181.50 is: 18,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.50 : 43,250.76 = 12,181.50 : x
  2. Step 2: Convert to fraction form
    28,822.50/43,250.76 = 12,181.50/x
  3. Step 3: Cross multiply
    28,822.50x = 43,250.76 × 12,181.50
  4. Step 4: Simplify right side
    28,822.50x = 526,859,132.94
  5. Step 5: Solve for x
    x = 526,859,132.94/28,822.50
  6. Step 6: Final answer
    x = 18,279.44

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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.