Home / 25,903.89-38,856.49-19,371.54

Finding the Fourth Proportional to 25,903.89, 38,856.49 and 19,371.54

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Solution

The fourth proportional to 25,903.89, 38,856.49 and 19,371.54 is: 29,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.89 : 38,856.49 = 19,371.54 : x
  2. Step 2: Convert to fraction form
    25,903.89/38,856.49 = 19,371.54/x
  3. Step 3: Cross multiply
    25,903.89x = 38,856.49 × 19,371.54
  4. Step 4: Simplify right side
    25,903.89x = 752,710,050.29
  5. Step 5: Solve for x
    x = 752,710,050.29/25,903.89
  6. Step 6: Final answer
    x = 29,057.80

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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.