Home / 28,574.14-42,864.03-9,851.71

Finding the Fourth Proportional to 28,574.14, 42,864.03 and 9,851.71

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Solution

The fourth proportional to 28,574.14, 42,864.03 and 9,851.71 is: 14,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.14 : 42,864.03 = 9,851.71 : x
  2. Step 2: Convert to fraction form
    28,574.14/42,864.03 = 9,851.71/x
  3. Step 3: Cross multiply
    28,574.14x = 42,864.03 × 9,851.71
  4. Step 4: Simplify right side
    28,574.14x = 422,283,943.73
  5. Step 5: Solve for x
    x = 422,283,943.73/28,574.14
  6. Step 6: Final answer
    x = 14,778.54

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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.