Home / 25,716.29-38,547.97-11,686.07

Finding the Fourth Proportional to 25,716.29, 38,547.97 and 11,686.07

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Solution

The fourth proportional to 25,716.29, 38,547.97 and 11,686.07 is: 17,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.29 : 38,547.97 = 11,686.07 : x
  2. Step 2: Convert to fraction form
    25,716.29/38,547.97 = 11,686.07/x
  3. Step 3: Cross multiply
    25,716.29x = 38,547.97 × 11,686.07
  4. Step 4: Simplify right side
    25,716.29x = 450,474,342.93
  5. Step 5: Solve for x
    x = 450,474,342.93/25,716.29
  6. Step 6: Final answer
    x = 17,517.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.