Home / 19,298.38-28,947.57-4,706.38

Finding the Fourth Proportional to 19,298.38, 28,947.57 and 4,706.38

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Solution

The fourth proportional to 19,298.38, 28,947.57 and 4,706.38 is: 7,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.38 : 28,947.57 = 4,706.38 : x
  2. Step 2: Convert to fraction form
    19,298.38/28,947.57 = 4,706.38/x
  3. Step 3: Cross multiply
    19,298.38x = 28,947.57 × 4,706.38
  4. Step 4: Simplify right side
    19,298.38x = 136,238,096.23
  5. Step 5: Solve for x
    x = 136,238,096.23/19,298.38
  6. Step 6: Final answer
    x = 7,059.56

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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.