Home / 37,878.54-52,253.16-28,910.48

Finding the Fourth Proportional to 37,878.54, 52,253.16 and 28,910.48

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Solution

The fourth proportional to 37,878.54, 52,253.16 and 28,910.48 is: 39,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.54 : 52,253.16 = 28,910.48 : x
  2. Step 2: Convert to fraction form
    37,878.54/52,253.16 = 28,910.48/x
  3. Step 3: Cross multiply
    37,878.54x = 52,253.16 × 28,910.48
  4. Step 4: Simplify right side
    37,878.54x = 1,510,663,675.85
  5. Step 5: Solve for x
    x = 1,510,663,675.85/37,878.54
  6. Step 6: Final answer
    x = 39,881.78

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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.