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Finding the Fourth Proportional to 56,021, 84,001.80 and 16,572.68

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Solution

The fourth proportional to 56,021, 84,001.80 and 16,572.68 is: 24,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021 : 84,001.80 = 16,572.68 : x
  2. Step 2: Convert to fraction form
    56,021/84,001.80 = 16,572.68/x
  3. Step 3: Cross multiply
    56,021x = 84,001.80 × 16,572.68
  4. Step 4: Simplify right side
    56,021x = 1,392,134,950.82
  5. Step 5: Solve for x
    x = 1,392,134,950.82/56,021
  6. Step 6: Final answer
    x = 24,850.23

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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.