Home / 28,686.94-43,001.44-9,957.72

Finding the Fourth Proportional to 28,686.94, 43,001.44 and 9,957.72

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Solution

The fourth proportional to 28,686.94, 43,001.44 and 9,957.72 is: 14,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.94 : 43,001.44 = 9,957.72 : x
  2. Step 2: Convert to fraction form
    28,686.94/43,001.44 = 9,957.72/x
  3. Step 3: Cross multiply
    28,686.94x = 43,001.44 × 9,957.72
  4. Step 4: Simplify right side
    28,686.94x = 428,196,299.12
  5. Step 5: Solve for x
    x = 428,196,299.12/28,686.94
  6. Step 6: Final answer
    x = 14,926.52

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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.