Home / 28,917.66-43,349.85-10,187.49

Finding the Fourth Proportional to 28,917.66, 43,349.85 and 10,187.49

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Solution

The fourth proportional to 28,917.66, 43,349.85 and 10,187.49 is: 15,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.66 : 43,349.85 = 10,187.49 : x
  2. Step 2: Convert to fraction form
    28,917.66/43,349.85 = 10,187.49/x
  3. Step 3: Cross multiply
    28,917.66x = 43,349.85 × 10,187.49
  4. Step 4: Simplify right side
    28,917.66x = 441,626,163.38
  5. Step 5: Solve for x
    x = 441,626,163.38/28,917.66
  6. Step 6: Final answer
    x = 15,271.85

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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.