Home / 21,539.27-32,345.81-11,697.77

Finding the Fourth Proportional to 21,539.27, 32,345.81 and 11,697.77

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Solution

The fourth proportional to 21,539.27, 32,345.81 and 11,697.77 is: 17,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.27 : 32,345.81 = 11,697.77 : x
  2. Step 2: Convert to fraction form
    21,539.27/32,345.81 = 11,697.77/x
  3. Step 3: Cross multiply
    21,539.27x = 32,345.81 × 11,697.77
  4. Step 4: Simplify right side
    21,539.27x = 378,373,845.84
  5. Step 5: Solve for x
    x = 378,373,845.84/21,539.27
  6. Step 6: Final answer
    x = 17,566.70

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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.