Home / 27,607.76-41,426.28-21,075.92

Finding the Fourth Proportional to 27,607.76, 41,426.28 and 21,075.92

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Solution

The fourth proportional to 27,607.76, 41,426.28 and 21,075.92 is: 31,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.76 : 41,426.28 = 21,075.92 : x
  2. Step 2: Convert to fraction form
    27,607.76/41,426.28 = 21,075.92/x
  3. Step 3: Cross multiply
    27,607.76x = 41,426.28 × 21,075.92
  4. Step 4: Simplify right side
    27,607.76x = 873,096,963.18
  5. Step 5: Solve for x
    x = 873,096,963.18/27,607.76
  6. Step 6: Final answer
    x = 31,625.06

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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.