Home / 28,261.90-42,392.82-10,731.70

Finding the Fourth Proportional to 28,261.90, 42,392.82 and 10,731.70

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Solution

The fourth proportional to 28,261.90, 42,392.82 and 10,731.70 is: 16,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.90 : 42,392.82 = 10,731.70 : x
  2. Step 2: Convert to fraction form
    28,261.90/42,392.82 = 10,731.70/x
  3. Step 3: Cross multiply
    28,261.90x = 42,392.82 × 10,731.70
  4. Step 4: Simplify right side
    28,261.90x = 454,947,026.39
  5. Step 5: Solve for x
    x = 454,947,026.39/28,261.90
  6. Step 6: Final answer
    x = 16,097.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.