Home / 28,376.25-39,160.44-15,801

Finding the Fourth Proportional to 28,376.25, 39,160.44 and 15,801

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Solution

The fourth proportional to 28,376.25, 39,160.44 and 15,801 is: 21,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.25 : 39,160.44 = 15,801 : x
  2. Step 2: Convert to fraction form
    28,376.25/39,160.44 = 15,801/x
  3. Step 3: Cross multiply
    28,376.25x = 39,160.44 × 15,801
  4. Step 4: Simplify right side
    28,376.25x = 618,774,112.44
  5. Step 5: Solve for x
    x = 618,774,112.44/28,376.25
  6. Step 6: Final answer
    x = 21,806.06

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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.