Home / 38,300.24-57,407.77-28,909.80

Finding the Fourth Proportional to 38,300.24, 57,407.77 and 28,909.80

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Solution

The fourth proportional to 38,300.24, 57,407.77 and 28,909.80 is: 43,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.24 : 57,407.77 = 28,909.80 : x
  2. Step 2: Convert to fraction form
    38,300.24/57,407.77 = 28,909.80/x
  3. Step 3: Cross multiply
    38,300.24x = 57,407.77 × 28,909.80
  4. Step 4: Simplify right side
    38,300.24x = 1,659,647,076.87
  5. Step 5: Solve for x
    x = 1,659,647,076.87/38,300.24
  6. Step 6: Final answer
    x = 43,332.56

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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.