Home / 22,859.37-31,544.45-12,786.07

Finding the Fourth Proportional to 22,859.37, 31,544.45 and 12,786.07

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Solution

The fourth proportional to 22,859.37, 31,544.45 and 12,786.07 is: 17,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.37 : 31,544.45 = 12,786.07 : x
  2. Step 2: Convert to fraction form
    22,859.37/31,544.45 = 12,786.07/x
  3. Step 3: Cross multiply
    22,859.37x = 31,544.45 × 12,786.07
  4. Step 4: Simplify right side
    22,859.37x = 403,329,545.81
  5. Step 5: Solve for x
    x = 403,329,545.81/22,859.37
  6. Step 6: Final answer
    x = 17,643.95

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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.