Home / 28,991.43-43,487.55-8,214.93

Finding the Fourth Proportional to 28,991.43, 43,487.55 and 8,214.93

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Solution

The fourth proportional to 28,991.43, 43,487.55 and 8,214.93 is: 12,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.43 : 43,487.55 = 8,214.93 : x
  2. Step 2: Convert to fraction form
    28,991.43/43,487.55 = 8,214.93/x
  3. Step 3: Cross multiply
    28,991.43x = 43,487.55 × 8,214.93
  4. Step 4: Simplify right side
    28,991.43x = 357,247,179.12
  5. Step 5: Solve for x
    x = 357,247,179.12/28,991.43
  6. Step 6: Final answer
    x = 12,322.51

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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.