Home / 28,467.92-42,727.79-15,152.09

Finding the Fourth Proportional to 28,467.92, 42,727.79 and 15,152.09

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Solution

The fourth proportional to 28,467.92, 42,727.79 and 15,152.09 is: 22,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.92 : 42,727.79 = 15,152.09 : x
  2. Step 2: Convert to fraction form
    28,467.92/42,727.79 = 15,152.09/x
  3. Step 3: Cross multiply
    28,467.92x = 42,727.79 × 15,152.09
  4. Step 4: Simplify right side
    28,467.92x = 647,415,236.06
  5. Step 5: Solve for x
    x = 647,415,236.06/28,467.92
  6. Step 6: Final answer
    x = 22,741.93

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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.