Home / 25,711.01-38,556.49-10,920.51

Finding the Fourth Proportional to 25,711.01, 38,556.49 and 10,920.51

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Solution

The fourth proportional to 25,711.01, 38,556.49 and 10,920.51 is: 16,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.01 : 38,556.49 = 10,920.51 : x
  2. Step 2: Convert to fraction form
    25,711.01/38,556.49 = 10,920.51/x
  3. Step 3: Cross multiply
    25,711.01x = 38,556.49 × 10,920.51
  4. Step 4: Simplify right side
    25,711.01x = 421,056,534.61
  5. Step 5: Solve for x
    x = 421,056,534.61/25,711.01
  6. Step 6: Final answer
    x = 16,376.51

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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.