Home / 28,820.80-43,226.34-11,042.92

Finding the Fourth Proportional to 28,820.80, 43,226.34 and 11,042.92

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Solution

The fourth proportional to 28,820.80, 43,226.34 and 11,042.92 is: 16,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.80 : 43,226.34 = 11,042.92 : x
  2. Step 2: Convert to fraction form
    28,820.80/43,226.34 = 11,042.92/x
  3. Step 3: Cross multiply
    28,820.80x = 43,226.34 × 11,042.92
  4. Step 4: Simplify right side
    28,820.80x = 477,345,014.51
  5. Step 5: Solve for x
    x = 477,345,014.51/28,820.80
  6. Step 6: Final answer
    x = 16,562.52

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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.