Home / 21,424.10-32,077.82-16,663.73

Finding the Fourth Proportional to 21,424.10, 32,077.82 and 16,663.73

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Solution

The fourth proportional to 21,424.10, 32,077.82 and 16,663.73 is: 24,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.10 : 32,077.82 = 16,663.73 : x
  2. Step 2: Convert to fraction form
    21,424.10/32,077.82 = 16,663.73/x
  3. Step 3: Cross multiply
    21,424.10x = 32,077.82 × 16,663.73
  4. Step 4: Simplify right side
    21,424.10x = 534,535,887.76
  5. Step 5: Solve for x
    x = 534,535,887.76/21,424.10
  6. Step 6: Final answer
    x = 24,950.22

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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.