Home / 21,526.63-32,252.78-11,672.78

Finding the Fourth Proportional to 21,526.63, 32,252.78 and 11,672.78

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Solution

The fourth proportional to 21,526.63, 32,252.78 and 11,672.78 is: 17,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.63 : 32,252.78 = 11,672.78 : x
  2. Step 2: Convert to fraction form
    21,526.63/32,252.78 = 11,672.78/x
  3. Step 3: Cross multiply
    21,526.63x = 32,252.78 × 11,672.78
  4. Step 4: Simplify right side
    21,526.63x = 376,479,473.25
  5. Step 5: Solve for x
    x = 376,479,473.25/21,526.63
  6. Step 6: Final answer
    x = 17,489.01

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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.