Home / 21,843.48-30,136.75-17,803.37

Finding the Fourth Proportional to 21,843.48, 30,136.75 and 17,803.37

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Solution

The fourth proportional to 21,843.48, 30,136.75 and 17,803.37 is: 24,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.48 : 30,136.75 = 17,803.37 : x
  2. Step 2: Convert to fraction form
    21,843.48/30,136.75 = 17,803.37/x
  3. Step 3: Cross multiply
    21,843.48x = 30,136.75 × 17,803.37
  4. Step 4: Simplify right side
    21,843.48x = 536,535,757.07
  5. Step 5: Solve for x
    x = 536,535,757.07/21,843.48
  6. Step 6: Final answer
    x = 24,562.74

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.