Home / 25,316.24-34,936.65-13,986

Finding the Fourth Proportional to 25,316.24, 34,936.65 and 13,986

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Solution

The fourth proportional to 25,316.24, 34,936.65 and 13,986 is: 19,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.24 : 34,936.65 = 13,986 : x
  2. Step 2: Convert to fraction form
    25,316.24/34,936.65 = 13,986/x
  3. Step 3: Cross multiply
    25,316.24x = 34,936.65 × 13,986
  4. Step 4: Simplify right side
    25,316.24x = 488,623,986.90
  5. Step 5: Solve for x
    x = 488,623,986.90/25,316.24
  6. Step 6: Final answer
    x = 19,300.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.