Home / 25,901.50-35,726.07-15,689.23

Finding the Fourth Proportional to 25,901.50, 35,726.07 and 15,689.23

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Solution

The fourth proportional to 25,901.50, 35,726.07 and 15,689.23 is: 21,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.50 : 35,726.07 = 15,689.23 : x
  2. Step 2: Convert to fraction form
    25,901.50/35,726.07 = 15,689.23/x
  3. Step 3: Cross multiply
    25,901.50x = 35,726.07 × 15,689.23
  4. Step 4: Simplify right side
    25,901.50x = 560,514,529.23
  5. Step 5: Solve for x
    x = 560,514,529.23/25,901.50
  6. Step 6: Final answer
    x = 21,640.23

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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.