Home / 19,047.08-28,569.54-5,195

Finding the Fourth Proportional to 19,047.08, 28,569.54 and 5,195

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Solution

The fourth proportional to 19,047.08, 28,569.54 and 5,195 is: 7,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.08 : 28,569.54 = 5,195 : x
  2. Step 2: Convert to fraction form
    19,047.08/28,569.54 = 5,195/x
  3. Step 3: Cross multiply
    19,047.08x = 28,569.54 × 5,195
  4. Step 4: Simplify right side
    19,047.08x = 148,418,760.30
  5. Step 5: Solve for x
    x = 148,418,760.30/19,047.08
  6. Step 6: Final answer
    x = 7,792.21

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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.