Home / 22,879.27-31,569.76-12,808.14

Finding the Fourth Proportional to 22,879.27, 31,569.76 and 12,808.14

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Solution

The fourth proportional to 22,879.27, 31,569.76 and 12,808.14 is: 17,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.27 : 31,569.76 = 12,808.14 : x
  2. Step 2: Convert to fraction form
    22,879.27/31,569.76 = 12,808.14/x
  3. Step 3: Cross multiply
    22,879.27x = 31,569.76 × 12,808.14
  4. Step 4: Simplify right side
    22,879.27x = 404,349,803.47
  5. Step 5: Solve for x
    x = 404,349,803.47/22,879.27
  6. Step 6: Final answer
    x = 17,673.19

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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.