Home / 21,935.48-32,916.72-10,249.88

Finding the Fourth Proportional to 21,935.48, 32,916.72 and 10,249.88

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Solution

The fourth proportional to 21,935.48, 32,916.72 and 10,249.88 is: 15,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.48 : 32,916.72 = 10,249.88 : x
  2. Step 2: Convert to fraction form
    21,935.48/32,916.72 = 10,249.88/x
  3. Step 3: Cross multiply
    21,935.48x = 32,916.72 × 10,249.88
  4. Step 4: Simplify right side
    21,935.48x = 337,392,429.99
  5. Step 5: Solve for x
    x = 337,392,429.99/21,935.48
  6. Step 6: Final answer
    x = 15,381.13

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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.