Home / 21,621.71-32,369.38-19,546.49

Finding the Fourth Proportional to 21,621.71, 32,369.38 and 19,546.49

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Solution

The fourth proportional to 21,621.71, 32,369.38 and 19,546.49 is: 29,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.71 : 32,369.38 = 19,546.49 : x
  2. Step 2: Convert to fraction form
    21,621.71/32,369.38 = 19,546.49/x
  3. Step 3: Cross multiply
    21,621.71x = 32,369.38 × 19,546.49
  4. Step 4: Simplify right side
    21,621.71x = 632,707,762.48
  5. Step 5: Solve for x
    x = 632,707,762.48/21,621.71
  6. Step 6: Final answer
    x = 29,262.61

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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.