Home / 28,882.08-43,324.70-9,159.21

Finding the Fourth Proportional to 28,882.08, 43,324.70 and 9,159.21

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Solution

The fourth proportional to 28,882.08, 43,324.70 and 9,159.21 is: 13,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.08 : 43,324.70 = 9,159.21 : x
  2. Step 2: Convert to fraction form
    28,882.08/43,324.70 = 9,159.21/x
  3. Step 3: Cross multiply
    28,882.08x = 43,324.70 × 9,159.21
  4. Step 4: Simplify right side
    28,882.08x = 396,820,025.49
  5. Step 5: Solve for x
    x = 396,820,025.49/28,882.08
  6. Step 6: Final answer
    x = 13,739.32

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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.