Home / 21,916.57-32,848.76-12,563.05

Finding the Fourth Proportional to 21,916.57, 32,848.76 and 12,563.05

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Solution

The fourth proportional to 21,916.57, 32,848.76 and 12,563.05 is: 18,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916.57 : 32,848.76 = 12,563.05 : x
  2. Step 2: Convert to fraction form
    21,916.57/32,848.76 = 12,563.05/x
  3. Step 3: Cross multiply
    21,916.57x = 32,848.76 × 12,563.05
  4. Step 4: Simplify right side
    21,916.57x = 412,680,551.50
  5. Step 5: Solve for x
    x = 412,680,551.50/21,916.57
  6. Step 6: Final answer
    x = 18,829.61

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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.