Home / 26,490.41-36,540.56-15,727.98

Finding the Fourth Proportional to 26,490.41, 36,540.56 and 15,727.98

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Solution

The fourth proportional to 26,490.41, 36,540.56 and 15,727.98 is: 21,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.41 : 36,540.56 = 15,727.98 : x
  2. Step 2: Convert to fraction form
    26,490.41/36,540.56 = 15,727.98/x
  3. Step 3: Cross multiply
    26,490.41x = 36,540.56 × 15,727.98
  4. Step 4: Simplify right side
    26,490.41x = 574,709,236.19
  5. Step 5: Solve for x
    x = 574,709,236.19/26,490.41
  6. Step 6: Final answer
    x = 21,695.00

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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.