Home / 37,768.80-52,117.20-28,822.08

Finding the Fourth Proportional to 37,768.80, 52,117.20 and 28,822.08

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Solution

The fourth proportional to 37,768.80, 52,117.20 and 28,822.08 is: 39,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.80 : 52,117.20 = 28,822.08 : x
  2. Step 2: Convert to fraction form
    37,768.80/52,117.20 = 28,822.08/x
  3. Step 3: Cross multiply
    37,768.80x = 52,117.20 × 28,822.08
  4. Step 4: Simplify right side
    37,768.80x = 1,502,126,107.78
  5. Step 5: Solve for x
    x = 1,502,126,107.78/37,768.80
  6. Step 6: Final answer
    x = 39,771.61

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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.