Home / 28,137.97-38,747.73-25,152.72

Finding the Fourth Proportional to 28,137.97, 38,747.73 and 25,152.72

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Solution

The fourth proportional to 28,137.97, 38,747.73 and 25,152.72 is: 34,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.97 : 38,747.73 = 25,152.72 : x
  2. Step 2: Convert to fraction form
    28,137.97/38,747.73 = 25,152.72/x
  3. Step 3: Cross multiply
    28,137.97x = 38,747.73 × 25,152.72
  4. Step 4: Simplify right side
    28,137.97x = 974,610,803.33
  5. Step 5: Solve for x
    x = 974,610,803.33/28,137.97
  6. Step 6: Final answer
    x = 34,636.86

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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.