Home / 28,198.33-42,281.10-10,669.51

Finding the Fourth Proportional to 28,198.33, 42,281.10 and 10,669.51

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Solution

The fourth proportional to 28,198.33, 42,281.10 and 10,669.51 is: 15,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.33 : 42,281.10 = 10,669.51 : x
  2. Step 2: Convert to fraction form
    28,198.33/42,281.10 = 10,669.51/x
  3. Step 3: Cross multiply
    28,198.33x = 42,281.10 × 10,669.51
  4. Step 4: Simplify right side
    28,198.33x = 451,118,619.26
  5. Step 5: Solve for x
    x = 451,118,619.26/28,198.33
  6. Step 6: Final answer
    x = 15,998.06

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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.