Home / 38,467.81-57,697.01-10,385.72

Finding the Fourth Proportional to 38,467.81, 57,697.01 and 10,385.72

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Solution

The fourth proportional to 38,467.81, 57,697.01 and 10,385.72 is: 15,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.81 : 57,697.01 = 10,385.72 : x
  2. Step 2: Convert to fraction form
    38,467.81/57,697.01 = 10,385.72/x
  3. Step 3: Cross multiply
    38,467.81x = 57,697.01 × 10,385.72
  4. Step 4: Simplify right side
    38,467.81x = 599,224,905.59
  5. Step 5: Solve for x
    x = 599,224,905.59/38,467.81
  6. Step 6: Final answer
    x = 15,577.31

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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.