Home / 27,080.21-40,607.43-15,838.76

Finding the Fourth Proportional to 27,080.21, 40,607.43 and 15,838.76

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Solution

The fourth proportional to 27,080.21, 40,607.43 and 15,838.76 is: 23,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.21 : 40,607.43 = 15,838.76 : x
  2. Step 2: Convert to fraction form
    27,080.21/40,607.43 = 15,838.76/x
  3. Step 3: Cross multiply
    27,080.21x = 40,607.43 × 15,838.76
  4. Step 4: Simplify right side
    27,080.21x = 643,171,134.95
  5. Step 5: Solve for x
    x = 643,171,134.95/27,080.21
  6. Step 6: Final answer
    x = 23,750.60

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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.