Home / 29,283.82-40,411.66-15,855.07

Finding the Fourth Proportional to 29,283.82, 40,411.66 and 15,855.07

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Solution

The fourth proportional to 29,283.82, 40,411.66 and 15,855.07 is: 21,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.82 : 40,411.66 = 15,855.07 : x
  2. Step 2: Convert to fraction form
    29,283.82/40,411.66 = 15,855.07/x
  3. Step 3: Cross multiply
    29,283.82x = 40,411.66 × 15,855.07
  4. Step 4: Simplify right side
    29,283.82x = 640,729,698.12
  5. Step 5: Solve for x
    x = 640,729,698.12/29,283.82
  6. Step 6: Final answer
    x = 21,879.99

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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.