Home / 21,600.70-29,822.56-16,555.41

Finding the Fourth Proportional to 21,600.70, 29,822.56 and 16,555.41

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Solution

The fourth proportional to 21,600.70, 29,822.56 and 16,555.41 is: 22,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.70 : 29,822.56 = 16,555.41 : x
  2. Step 2: Convert to fraction form
    21,600.70/29,822.56 = 16,555.41/x
  3. Step 3: Cross multiply
    21,600.70x = 29,822.56 × 16,555.41
  4. Step 4: Simplify right side
    21,600.70x = 493,724,666.66
  5. Step 5: Solve for x
    x = 493,724,666.66/21,600.70
  6. Step 6: Final answer
    x = 22,856.89

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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.