Home / 25,111.08-34,653.96-13,781.88

Finding the Fourth Proportional to 25,111.08, 34,653.96 and 13,781.88

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Solution

The fourth proportional to 25,111.08, 34,653.96 and 13,781.88 is: 19,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.08 : 34,653.96 = 13,781.88 : x
  2. Step 2: Convert to fraction form
    25,111.08/34,653.96 = 13,781.88/x
  3. Step 3: Cross multiply
    25,111.08x = 34,653.96 × 13,781.88
  4. Step 4: Simplify right side
    25,111.08x = 477,596,718.24
  5. Step 5: Solve for x
    x = 477,596,718.24/25,111.08
  6. Step 6: Final answer
    x = 19,019.36

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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.