Home / 25,810.24-35,664.96-20,764.48

Finding the Fourth Proportional to 25,810.24, 35,664.96 and 20,764.48

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Solution

The fourth proportional to 25,810.24, 35,664.96 and 20,764.48 is: 28,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.24 : 35,664.96 = 20,764.48 : x
  2. Step 2: Convert to fraction form
    25,810.24/35,664.96 = 20,764.48/x
  3. Step 3: Cross multiply
    25,810.24x = 35,664.96 × 20,764.48
  4. Step 4: Simplify right side
    25,810.24x = 740,564,348.62
  5. Step 5: Solve for x
    x = 740,564,348.62/25,810.24
  6. Step 6: Final answer
    x = 28,692.66

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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.