Home / 27,957.02-41,835.03-20,543.06

Finding the Fourth Proportional to 27,957.02, 41,835.03 and 20,543.06

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Solution

The fourth proportional to 27,957.02, 41,835.03 and 20,543.06 is: 30,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.02 : 41,835.03 = 20,543.06 : x
  2. Step 2: Convert to fraction form
    27,957.02/41,835.03 = 20,543.06/x
  3. Step 3: Cross multiply
    27,957.02x = 41,835.03 × 20,543.06
  4. Step 4: Simplify right side
    27,957.02x = 859,419,531.39
  5. Step 5: Solve for x
    x = 859,419,531.39/27,957.02
  6. Step 6: Final answer
    x = 30,740.74

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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.