Home / 19,038-28,557.78-5,890.62

Finding the Fourth Proportional to 19,038, 28,557.78 and 5,890.62

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Solution

The fourth proportional to 19,038, 28,557.78 and 5,890.62 is: 8,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038 : 28,557.78 = 5,890.62 : x
  2. Step 2: Convert to fraction form
    19,038/28,557.78 = 5,890.62/x
  3. Step 3: Cross multiply
    19,038x = 28,557.78 × 5,890.62
  4. Step 4: Simplify right side
    19,038x = 168,223,030.02
  5. Step 5: Solve for x
    x = 168,223,030.02/19,038
  6. Step 6: Final answer
    x = 8,836.17

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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.