Home / 27,902.10-38,511.54-15,972.33

Finding the Fourth Proportional to 27,902.10, 38,511.54 and 15,972.33

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Solution

The fourth proportional to 27,902.10, 38,511.54 and 15,972.33 is: 22,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.10 : 38,511.54 = 15,972.33 : x
  2. Step 2: Convert to fraction form
    27,902.10/38,511.54 = 15,972.33/x
  3. Step 3: Cross multiply
    27,902.10x = 38,511.54 × 15,972.33
  4. Step 4: Simplify right side
    27,902.10x = 615,119,025.69
  5. Step 5: Solve for x
    x = 615,119,025.69/27,902.10
  6. Step 6: Final answer
    x = 22,045.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.