Home / 26,172.78-36,116.73-15,563.22

Finding the Fourth Proportional to 26,172.78, 36,116.73 and 15,563.22

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Solution

The fourth proportional to 26,172.78, 36,116.73 and 15,563.22 is: 21,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.78 : 36,116.73 = 15,563.22 : x
  2. Step 2: Convert to fraction form
    26,172.78/36,116.73 = 15,563.22/x
  3. Step 3: Cross multiply
    26,172.78x = 36,116.73 × 15,563.22
  4. Step 4: Simplify right side
    26,172.78x = 562,092,614.67
  5. Step 5: Solve for x
    x = 562,092,614.67/26,172.78
  6. Step 6: Final answer
    x = 21,476.23

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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.