Home / 38,291.58-57,456.99-15,818.94

Finding the Fourth Proportional to 38,291.58, 57,456.99 and 15,818.94

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Solution

The fourth proportional to 38,291.58, 57,456.99 and 15,818.94 is: 23,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.58 : 57,456.99 = 15,818.94 : x
  2. Step 2: Convert to fraction form
    38,291.58/57,456.99 = 15,818.94/x
  3. Step 3: Cross multiply
    38,291.58x = 57,456.99 × 15,818.94
  4. Step 4: Simplify right side
    38,291.58x = 908,908,677.39
  5. Step 5: Solve for x
    x = 908,908,677.39/38,291.58
  6. Step 6: Final answer
    x = 23,736.52

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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.