Home / 28,451.65-42,653.38-11,801.29

Finding the Fourth Proportional to 28,451.65, 42,653.38 and 11,801.29

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Solution

The fourth proportional to 28,451.65, 42,653.38 and 11,801.29 is: 17,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.65 : 42,653.38 = 11,801.29 : x
  2. Step 2: Convert to fraction form
    28,451.65/42,653.38 = 11,801.29/x
  3. Step 3: Cross multiply
    28,451.65x = 42,653.38 × 11,801.29
  4. Step 4: Simplify right side
    28,451.65x = 503,364,847.85
  5. Step 5: Solve for x
    x = 503,364,847.85/28,451.65
  6. Step 6: Final answer
    x = 17,691.94

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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.