Home / 28,074.94-42,115.14-7,298.44

Finding the Fourth Proportional to 28,074.94, 42,115.14 and 7,298.44

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Solution

The fourth proportional to 28,074.94, 42,115.14 and 7,298.44 is: 10,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.94 : 42,115.14 = 7,298.44 : x
  2. Step 2: Convert to fraction form
    28,074.94/42,115.14 = 7,298.44/x
  3. Step 3: Cross multiply
    28,074.94x = 42,115.14 × 7,298.44
  4. Step 4: Simplify right side
    28,074.94x = 307,374,717.09
  5. Step 5: Solve for x
    x = 307,374,717.09/28,074.94
  6. Step 6: Final answer
    x = 10,948.37

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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.