Home / 28,334.75-39,101.96-15,759.23

Finding the Fourth Proportional to 28,334.75, 39,101.96 and 15,759.23

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Solution

The fourth proportional to 28,334.75, 39,101.96 and 15,759.23 is: 21,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.75 : 39,101.96 = 15,759.23 : x
  2. Step 2: Convert to fraction form
    28,334.75/39,101.96 = 15,759.23/x
  3. Step 3: Cross multiply
    28,334.75x = 39,101.96 × 15,759.23
  4. Step 4: Simplify right side
    28,334.75x = 616,216,702.29
  5. Step 5: Solve for x
    x = 616,216,702.29/28,334.75
  6. Step 6: Final answer
    x = 21,747.74

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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.