Home / 28,866.80-43,305.24-9,141.68

Finding the Fourth Proportional to 28,866.80, 43,305.24 and 9,141.68

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Solution

The fourth proportional to 28,866.80, 43,305.24 and 9,141.68 is: 13,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.80 : 43,305.24 = 9,141.68 : x
  2. Step 2: Convert to fraction form
    28,866.80/43,305.24 = 9,141.68/x
  3. Step 3: Cross multiply
    28,866.80x = 43,305.24 × 9,141.68
  4. Step 4: Simplify right side
    28,866.80x = 395,882,646.40
  5. Step 5: Solve for x
    x = 395,882,646.40/28,866.80
  6. Step 6: Final answer
    x = 13,714.12

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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.