Home / 28,767.52-43,154.34-8,776.96

Finding the Fourth Proportional to 28,767.52, 43,154.34 and 8,776.96

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Solution

The fourth proportional to 28,767.52, 43,154.34 and 8,776.96 is: 13,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.52 : 43,154.34 = 8,776.96 : x
  2. Step 2: Convert to fraction form
    28,767.52/43,154.34 = 8,776.96/x
  3. Step 3: Cross multiply
    28,767.52x = 43,154.34 × 8,776.96
  4. Step 4: Simplify right side
    28,767.52x = 378,763,775.21
  5. Step 5: Solve for x
    x = 378,763,775.21/28,767.52
  6. Step 6: Final answer
    x = 13,166.37

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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.