Home / 28,896.78-43,345.05-9,176.87

Finding the Fourth Proportional to 28,896.78, 43,345.05 and 9,176.87

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Solution

The fourth proportional to 28,896.78, 43,345.05 and 9,176.87 is: 13,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.78 : 43,345.05 = 9,176.87 : x
  2. Step 2: Convert to fraction form
    28,896.78/43,345.05 = 9,176.87/x
  3. Step 3: Cross multiply
    28,896.78x = 43,345.05 × 9,176.87
  4. Step 4: Simplify right side
    28,896.78x = 397,771,866.84
  5. Step 5: Solve for x
    x = 397,771,866.84/28,896.78
  6. Step 6: Final answer
    x = 13,765.27

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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.