Home / 21,682.96-32,495.28-15,812.08

Finding the Fourth Proportional to 21,682.96, 32,495.28 and 15,812.08

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Solution

The fourth proportional to 21,682.96, 32,495.28 and 15,812.08 is: 23,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.96 : 32,495.28 = 15,812.08 : x
  2. Step 2: Convert to fraction form
    21,682.96/32,495.28 = 15,812.08/x
  3. Step 3: Cross multiply
    21,682.96x = 32,495.28 × 15,812.08
  4. Step 4: Simplify right side
    21,682.96x = 513,817,966.98
  5. Step 5: Solve for x
    x = 513,817,966.98/21,682.96
  6. Step 6: Final answer
    x = 23,696.86

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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.