Home / 25,705.92-38,543.31-16,810.51

Finding the Fourth Proportional to 25,705.92, 38,543.31 and 16,810.51

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Solution

The fourth proportional to 25,705.92, 38,543.31 and 16,810.51 is: 25,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.92 : 38,543.31 = 16,810.51 : x
  2. Step 2: Convert to fraction form
    25,705.92/38,543.31 = 16,810.51/x
  3. Step 3: Cross multiply
    25,705.92x = 38,543.31 × 16,810.51
  4. Step 4: Simplify right side
    25,705.92x = 647,932,817.96
  5. Step 5: Solve for x
    x = 647,932,817.96/25,705.92
  6. Step 6: Final answer
    x = 25,205.59

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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.