Home / 25,168-34,731.84-13,992.16

Finding the Fourth Proportional to 25,168, 34,731.84 and 13,992.16

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Solution

The fourth proportional to 25,168, 34,731.84 and 13,992.16 is: 19,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168 : 34,731.84 = 13,992.16 : x
  2. Step 2: Convert to fraction form
    25,168/34,731.84 = 13,992.16/x
  3. Step 3: Cross multiply
    25,168x = 34,731.84 × 13,992.16
  4. Step 4: Simplify right side
    25,168x = 485,973,462.37
  5. Step 5: Solve for x
    x = 485,973,462.37/25,168
  6. Step 6: Final answer
    x = 19,309.18

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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.