Home / 26,887.24-40,295.82-13,728.52

Finding the Fourth Proportional to 26,887.24, 40,295.82 and 13,728.52

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Solution

The fourth proportional to 26,887.24, 40,295.82 and 13,728.52 is: 20,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.24 : 40,295.82 = 13,728.52 : x
  2. Step 2: Convert to fraction form
    26,887.24/40,295.82 = 13,728.52/x
  3. Step 3: Cross multiply
    26,887.24x = 40,295.82 × 13,728.52
  4. Step 4: Simplify right side
    26,887.24x = 553,201,970.79
  5. Step 5: Solve for x
    x = 553,201,970.79/26,887.24
  6. Step 6: Final answer
    x = 20,574.89

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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.