Home / 22,879.68-31,574.66-12,808.08

Finding the Fourth Proportional to 22,879.68, 31,574.66 and 12,808.08

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Solution

The fourth proportional to 22,879.68, 31,574.66 and 12,808.08 is: 17,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.68 : 31,574.66 = 12,808.08 : x
  2. Step 2: Convert to fraction form
    22,879.68/31,574.66 = 12,808.08/x
  3. Step 3: Cross multiply
    22,879.68x = 31,574.66 × 12,808.08
  4. Step 4: Simplify right side
    22,879.68x = 404,410,707.21
  5. Step 5: Solve for x
    x = 404,410,707.21/22,879.68
  6. Step 6: Final answer
    x = 17,675.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.