Home / 25,707.45-38,566.85-10,929

Finding the Fourth Proportional to 25,707.45, 38,566.85 and 10,929

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Solution

The fourth proportional to 25,707.45, 38,566.85 and 10,929 is: 16,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.45 : 38,566.85 = 10,929 : x
  2. Step 2: Convert to fraction form
    25,707.45/38,566.85 = 10,929/x
  3. Step 3: Cross multiply
    25,707.45x = 38,566.85 × 10,929
  4. Step 4: Simplify right side
    25,707.45x = 421,497,103.65
  5. Step 5: Solve for x
    x = 421,497,103.65/25,707.45
  6. Step 6: Final answer
    x = 16,395.91

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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.