Home / 22,529.29-31,078.64-18,285.14

Finding the Fourth Proportional to 22,529.29, 31,078.64 and 18,285.14

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Solution

The fourth proportional to 22,529.29, 31,078.64 and 18,285.14 is: 25,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.29 : 31,078.64 = 18,285.14 : x
  2. Step 2: Convert to fraction form
    22,529.29/31,078.64 = 18,285.14/x
  3. Step 3: Cross multiply
    22,529.29x = 31,078.64 × 18,285.14
  4. Step 4: Simplify right side
    22,529.29x = 568,277,303.97
  5. Step 5: Solve for x
    x = 568,277,303.97/22,529.29
  6. Step 6: Final answer
    x = 25,223.93

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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.