Home / 28,926.62-43,340.39-15,788.21

Finding the Fourth Proportional to 28,926.62, 43,340.39 and 15,788.21

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Solution

The fourth proportional to 28,926.62, 43,340.39 and 15,788.21 is: 23,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.62 : 43,340.39 = 15,788.21 : x
  2. Step 2: Convert to fraction form
    28,926.62/43,340.39 = 15,788.21/x
  3. Step 3: Cross multiply
    28,926.62x = 43,340.39 × 15,788.21
  4. Step 4: Simplify right side
    28,926.62x = 684,267,178.80
  5. Step 5: Solve for x
    x = 684,267,178.80/28,926.62
  6. Step 6: Final answer
    x = 23,655.28

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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.