Home / 21,620.62-32,430.93-16,697.44

Finding the Fourth Proportional to 21,620.62, 32,430.93 and 16,697.44

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Solution

The fourth proportional to 21,620.62, 32,430.93 and 16,697.44 is: 25,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.62 : 32,430.93 = 16,697.44 : x
  2. Step 2: Convert to fraction form
    21,620.62/32,430.93 = 16,697.44/x
  3. Step 3: Cross multiply
    21,620.62x = 32,430.93 × 16,697.44
  4. Step 4: Simplify right side
    21,620.62x = 541,513,507.82
  5. Step 5: Solve for x
    x = 541,513,507.82/21,620.62
  6. Step 6: Final answer
    x = 25,046.16

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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.