Home / 38,938.82-58,407.39-10,858.12

Finding the Fourth Proportional to 38,938.82, 58,407.39 and 10,858.12

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Solution

The fourth proportional to 38,938.82, 58,407.39 and 10,858.12 is: 16,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.82 : 58,407.39 = 10,858.12 : x
  2. Step 2: Convert to fraction form
    38,938.82/58,407.39 = 10,858.12/x
  3. Step 3: Cross multiply
    38,938.82x = 58,407.39 × 10,858.12
  4. Step 4: Simplify right side
    38,938.82x = 634,194,529.77
  5. Step 5: Solve for x
    x = 634,194,529.77/38,938.82
  6. Step 6: Final answer
    x = 16,286.95

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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.