Home / 28,045.38-42,072.52-10,516.52

Finding the Fourth Proportional to 28,045.38, 42,072.52 and 10,516.52

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Solution

The fourth proportional to 28,045.38, 42,072.52 and 10,516.52 is: 15,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.38 : 42,072.52 = 10,516.52 : x
  2. Step 2: Convert to fraction form
    28,045.38/42,072.52 = 10,516.52/x
  3. Step 3: Cross multiply
    28,045.38x = 42,072.52 × 10,516.52
  4. Step 4: Simplify right side
    28,045.38x = 442,456,498.03
  5. Step 5: Solve for x
    x = 442,456,498.03/28,045.38
  6. Step 6: Final answer
    x = 15,776.45

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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.