Home / 25,156.64-34,717.92-13,979.36

Finding the Fourth Proportional to 25,156.64, 34,717.92 and 13,979.36

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Solution

The fourth proportional to 25,156.64, 34,717.92 and 13,979.36 is: 19,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.64 : 34,717.92 = 13,979.36 : x
  2. Step 2: Convert to fraction form
    25,156.64/34,717.92 = 13,979.36/x
  3. Step 3: Cross multiply
    25,156.64x = 34,717.92 × 13,979.36
  4. Step 4: Simplify right side
    25,156.64x = 485,334,302.13
  5. Step 5: Solve for x
    x = 485,334,302.13/25,156.64
  6. Step 6: Final answer
    x = 19,292.49

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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.