Home / 25,271.31-34,852.26-20,233.70

Finding the Fourth Proportional to 25,271.31, 34,852.26 and 20,233.70

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Solution

The fourth proportional to 25,271.31, 34,852.26 and 20,233.70 is: 27,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.31 : 34,852.26 = 20,233.70 : x
  2. Step 2: Convert to fraction form
    25,271.31/34,852.26 = 20,233.70/x
  3. Step 3: Cross multiply
    25,271.31x = 34,852.26 × 20,233.70
  4. Step 4: Simplify right side
    25,271.31x = 705,190,091.66
  5. Step 5: Solve for x
    x = 705,190,091.66/25,271.31
  6. Step 6: Final answer
    x = 27,904.77

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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.