Home / 25,371.69-38,008.29-18,696.07

Finding the Fourth Proportional to 25,371.69, 38,008.29 and 18,696.07

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Solution

The fourth proportional to 25,371.69, 38,008.29 and 18,696.07 is: 28,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.69 : 38,008.29 = 18,696.07 : x
  2. Step 2: Convert to fraction form
    25,371.69/38,008.29 = 18,696.07/x
  3. Step 3: Cross multiply
    25,371.69x = 38,008.29 × 18,696.07
  4. Step 4: Simplify right side
    25,371.69x = 710,605,650.42
  5. Step 5: Solve for x
    x = 710,605,650.42/25,371.69
  6. Step 6: Final answer
    x = 28,007.82

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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.