Home / 19,828.92-27,365.67-10,878.17

Finding the Fourth Proportional to 19,828.92, 27,365.67 and 10,878.17

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Solution

The fourth proportional to 19,828.92, 27,365.67 and 10,878.17 is: 15,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.92 : 27,365.67 = 10,878.17 : x
  2. Step 2: Convert to fraction form
    19,828.92/27,365.67 = 10,878.17/x
  3. Step 3: Cross multiply
    19,828.92x = 27,365.67 × 10,878.17
  4. Step 4: Simplify right side
    19,828.92x = 297,688,273.60
  5. Step 5: Solve for x
    x = 297,688,273.60/19,828.92
  6. Step 6: Final answer
    x = 15,012.83

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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.