Home / 26,043.08-35,940.12-15,431

Finding the Fourth Proportional to 26,043.08, 35,940.12 and 15,431

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Solution

The fourth proportional to 26,043.08, 35,940.12 and 15,431 is: 21,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,043.08 : 35,940.12 = 15,431 : x
  2. Step 2: Convert to fraction form
    26,043.08/35,940.12 = 15,431/x
  3. Step 3: Cross multiply
    26,043.08x = 35,940.12 × 15,431
  4. Step 4: Simplify right side
    26,043.08x = 554,591,991.72
  5. Step 5: Solve for x
    x = 554,591,991.72/26,043.08
  6. Step 6: Final answer
    x = 21,295.18

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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.