Home / 38,208.81-57,238.65-25,021.20

Finding the Fourth Proportional to 38,208.81, 57,238.65 and 25,021.20

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Solution

The fourth proportional to 38,208.81, 57,238.65 and 25,021.20 is: 37,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208.81 : 57,238.65 = 25,021.20 : x
  2. Step 2: Convert to fraction form
    38,208.81/57,238.65 = 25,021.20/x
  3. Step 3: Cross multiply
    38,208.81x = 57,238.65 × 25,021.20
  4. Step 4: Simplify right side
    38,208.81x = 1,432,179,709.38
  5. Step 5: Solve for x
    x = 1,432,179,709.38/38,208.81
  6. Step 6: Final answer
    x = 37,482.97

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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.