Home / 26,553.40-36,642-15,222.76

Finding the Fourth Proportional to 26,553.40, 36,642 and 15,222.76

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Solution

The fourth proportional to 26,553.40, 36,642 and 15,222.76 is: 21,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.40 : 36,642 = 15,222.76 : x
  2. Step 2: Convert to fraction form
    26,553.40/36,642 = 15,222.76/x
  3. Step 3: Cross multiply
    26,553.40x = 36,642 × 15,222.76
  4. Step 4: Simplify right side
    26,553.40x = 557,792,371.92
  5. Step 5: Solve for x
    x = 557,792,371.92/26,553.40
  6. Step 6: Final answer
    x = 21,006.44

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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.