Home / 19,822.74-27,383.85-15,838.62

Finding the Fourth Proportional to 19,822.74, 27,383.85 and 15,838.62

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Solution

The fourth proportional to 19,822.74, 27,383.85 and 15,838.62 is: 21,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.74 : 27,383.85 = 15,838.62 : x
  2. Step 2: Convert to fraction form
    19,822.74/27,383.85 = 15,838.62/x
  3. Step 3: Cross multiply
    19,822.74x = 27,383.85 × 15,838.62
  4. Step 4: Simplify right side
    19,822.74x = 433,722,394.29
  5. Step 5: Solve for x
    x = 433,722,394.29/19,822.74
  6. Step 6: Final answer
    x = 21,880.04

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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.