Home / 25,153.82-34,712.85-13,824.02

Finding the Fourth Proportional to 25,153.82, 34,712.85 and 13,824.02

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Solution

The fourth proportional to 25,153.82, 34,712.85 and 13,824.02 is: 19,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.82 : 34,712.85 = 13,824.02 : x
  2. Step 2: Convert to fraction form
    25,153.82/34,712.85 = 13,824.02/x
  3. Step 3: Cross multiply
    25,153.82x = 34,712.85 × 13,824.02
  4. Step 4: Simplify right side
    25,153.82x = 479,871,132.66
  5. Step 5: Solve for x
    x = 479,871,132.66/25,153.82
  6. Step 6: Final answer
    x = 19,077.47

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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.