Home / 22,814.08-31,410.24-19,868.80

Finding the Fourth Proportional to 22,814.08, 31,410.24 and 19,868.80

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Solution

The fourth proportional to 22,814.08, 31,410.24 and 19,868.80 is: 27,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.08 : 31,410.24 = 19,868.80 : x
  2. Step 2: Convert to fraction form
    22,814.08/31,410.24 = 19,868.80/x
  3. Step 3: Cross multiply
    22,814.08x = 31,410.24 × 19,868.80
  4. Step 4: Simplify right side
    22,814.08x = 624,083,776.51
  5. Step 5: Solve for x
    x = 624,083,776.51/22,814.08
  6. Step 6: Final answer
    x = 27,355.20

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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.