Home / 25,941.11-38,947.84-13,299.71

Finding the Fourth Proportional to 25,941.11, 38,947.84 and 13,299.71

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Solution

The fourth proportional to 25,941.11, 38,947.84 and 13,299.71 is: 19,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.11 : 38,947.84 = 13,299.71 : x
  2. Step 2: Convert to fraction form
    25,941.11/38,947.84 = 13,299.71/x
  3. Step 3: Cross multiply
    25,941.11x = 38,947.84 × 13,299.71
  4. Step 4: Simplify right side
    25,941.11x = 517,994,749.14
  5. Step 5: Solve for x
    x = 517,994,749.14/25,941.11
  6. Step 6: Final answer
    x = 19,968.11

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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.