Home / 28,866.98-43,300.44-15,691.66

Finding the Fourth Proportional to 28,866.98, 43,300.44 and 15,691.66

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Solution

The fourth proportional to 28,866.98, 43,300.44 and 15,691.66 is: 23,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866.98 : 43,300.44 = 15,691.66 : x
  2. Step 2: Convert to fraction form
    28,866.98/43,300.44 = 15,691.66/x
  3. Step 3: Cross multiply
    28,866.98x = 43,300.44 × 15,691.66
  4. Step 4: Simplify right side
    28,866.98x = 679,455,674.08
  5. Step 5: Solve for x
    x = 679,455,674.08/28,866.98
  6. Step 6: Final answer
    x = 23,537.47

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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.