Home / 36,911.78-50,962.77-28,398.88

Finding the Fourth Proportional to 36,911.78, 50,962.77 and 28,398.88

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Solution

The fourth proportional to 36,911.78, 50,962.77 and 28,398.88 is: 39,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.78 : 50,962.77 = 28,398.88 : x
  2. Step 2: Convert to fraction form
    36,911.78/50,962.77 = 28,398.88/x
  3. Step 3: Cross multiply
    36,911.78x = 50,962.77 × 28,398.88
  4. Step 4: Simplify right side
    36,911.78x = 1,447,285,653.40
  5. Step 5: Solve for x
    x = 1,447,285,653.40/36,911.78
  6. Step 6: Final answer
    x = 39,209.32

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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.