Home / 21,553.48-32,285.10-17,369.80

Finding the Fourth Proportional to 21,553.48, 32,285.10 and 17,369.80

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Solution

The fourth proportional to 21,553.48, 32,285.10 and 17,369.80 is: 26,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.48 : 32,285.10 = 17,369.80 : x
  2. Step 2: Convert to fraction form
    21,553.48/32,285.10 = 17,369.80/x
  3. Step 3: Cross multiply
    21,553.48x = 32,285.10 × 17,369.80
  4. Step 4: Simplify right side
    21,553.48x = 560,785,729.98
  5. Step 5: Solve for x
    x = 560,785,729.98/21,553.48
  6. Step 6: Final answer
    x = 26,018.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.