Home / 26,702.82-36,852.66-15,372.72

Finding the Fourth Proportional to 26,702.82, 36,852.66 and 15,372.72

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Solution

The fourth proportional to 26,702.82, 36,852.66 and 15,372.72 is: 21,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.82 : 36,852.66 = 15,372.72 : x
  2. Step 2: Convert to fraction form
    26,702.82/36,852.66 = 15,372.72/x
  3. Step 3: Cross multiply
    26,702.82x = 36,852.66 × 15,372.72
  4. Step 4: Simplify right side
    26,702.82x = 566,525,623.44
  5. Step 5: Solve for x
    x = 566,525,623.44/26,702.82
  6. Step 6: Final answer
    x = 21,215.95

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1.5x scale

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.