Home / 38,465.24-53,003.21-28,377.68

Finding the Fourth Proportional to 38,465.24, 53,003.21 and 28,377.68

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Solution

The fourth proportional to 38,465.24, 53,003.21 and 28,377.68 is: 39,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.24 : 53,003.21 = 28,377.68 : x
  2. Step 2: Convert to fraction form
    38,465.24/53,003.21 = 28,377.68/x
  3. Step 3: Cross multiply
    38,465.24x = 53,003.21 × 28,377.68
  4. Step 4: Simplify right side
    38,465.24x = 1,504,107,725.45
  5. Step 5: Solve for x
    x = 1,504,107,725.45/38,465.24
  6. Step 6: Final answer
    x = 39,103.04

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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.