Home / 38,182.36-57,221.70-28,358.68

Finding the Fourth Proportional to 38,182.36, 57,221.70 and 28,358.68

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Solution

The fourth proportional to 38,182.36, 57,221.70 and 28,358.68 is: 42,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182.36 : 57,221.70 = 28,358.68 : x
  2. Step 2: Convert to fraction form
    38,182.36/57,221.70 = 28,358.68/x
  3. Step 3: Cross multiply
    38,182.36x = 57,221.70 × 28,358.68
  4. Step 4: Simplify right side
    38,182.36x = 1,622,731,879.36
  5. Step 5: Solve for x
    x = 1,622,731,879.36/38,182.36
  6. Step 6: Final answer
    x = 42,499.52

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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.