Home / 21,935.55-32,850.60-12,547.11

Finding the Fourth Proportional to 21,935.55, 32,850.60 and 12,547.11

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Solution

The fourth proportional to 21,935.55, 32,850.60 and 12,547.11 is: 18,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.55 : 32,850.60 = 12,547.11 : x
  2. Step 2: Convert to fraction form
    21,935.55/32,850.60 = 12,547.11/x
  3. Step 3: Cross multiply
    21,935.55x = 32,850.60 × 12,547.11
  4. Step 4: Simplify right side
    21,935.55x = 412,180,091.77
  5. Step 5: Solve for x
    x = 412,180,091.77/21,935.55
  6. Step 6: Final answer
    x = 18,790.51

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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.