Home / 27,030.11-40,516.45-15,942.02

Finding the Fourth Proportional to 27,030.11, 40,516.45 and 15,942.02

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Solution

The fourth proportional to 27,030.11, 40,516.45 and 15,942.02 is: 23,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.11 : 40,516.45 = 15,942.02 : x
  2. Step 2: Convert to fraction form
    27,030.11/40,516.45 = 15,942.02/x
  3. Step 3: Cross multiply
    27,030.11x = 40,516.45 × 15,942.02
  4. Step 4: Simplify right side
    27,030.11x = 645,913,903.47
  5. Step 5: Solve for x
    x = 645,913,903.47/27,030.11
  6. Step 6: Final answer
    x = 23,896.09

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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.