Home / 38,436.39-57,649.81-10,358.64

Finding the Fourth Proportional to 38,436.39, 57,649.81 and 10,358.64

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Solution

The fourth proportional to 38,436.39, 57,649.81 and 10,358.64 is: 15,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436.39 : 57,649.81 = 10,358.64 : x
  2. Step 2: Convert to fraction form
    38,436.39/57,649.81 = 10,358.64/x
  3. Step 3: Cross multiply
    38,436.39x = 57,649.81 × 10,358.64
  4. Step 4: Simplify right side
    38,436.39x = 597,173,287.82
  5. Step 5: Solve for x
    x = 597,173,287.82/38,436.39
  6. Step 6: Final answer
    x = 15,536.67

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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.