Home / 26,702.76-40,053.88-18,772.56

Finding the Fourth Proportional to 26,702.76, 40,053.88 and 18,772.56

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Solution

The fourth proportional to 26,702.76, 40,053.88 and 18,772.56 is: 28,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.76 : 40,053.88 = 18,772.56 : x
  2. Step 2: Convert to fraction form
    26,702.76/40,053.88 = 18,772.56/x
  3. Step 3: Cross multiply
    26,702.76x = 40,053.88 × 18,772.56
  4. Step 4: Simplify right side
    26,702.76x = 751,913,865.53
  5. Step 5: Solve for x
    x = 751,913,865.53/26,702.76
  6. Step 6: Final answer
    x = 28,158.66

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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.