Home / 25,316.88-34,936.68-13,987.46

Finding the Fourth Proportional to 25,316.88, 34,936.68 and 13,987.46

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Solution

The fourth proportional to 25,316.88, 34,936.68 and 13,987.46 is: 19,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.88 : 34,936.68 = 13,987.46 : x
  2. Step 2: Convert to fraction form
    25,316.88/34,936.68 = 13,987.46/x
  3. Step 3: Cross multiply
    25,316.88x = 34,936.68 × 13,987.46
  4. Step 4: Simplify right side
    25,316.88x = 488,675,396.56
  5. Step 5: Solve for x
    x = 488,675,396.56/25,316.88
  6. Step 6: Final answer
    x = 19,302.36

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1.5x scale

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.