Home / 28,072.86-42,097.28-9,347.82

Finding the Fourth Proportional to 28,072.86, 42,097.28 and 9,347.82

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Solution

The fourth proportional to 28,072.86, 42,097.28 and 9,347.82 is: 14,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.86 : 42,097.28 = 9,347.82 : x
  2. Step 2: Convert to fraction form
    28,072.86/42,097.28 = 9,347.82/x
  3. Step 3: Cross multiply
    28,072.86x = 42,097.28 × 9,347.82
  4. Step 4: Simplify right side
    28,072.86x = 393,517,749.19
  5. Step 5: Solve for x
    x = 393,517,749.19/28,072.86
  6. Step 6: Final answer
    x = 14,017.73

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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.