Home / 27,261.42-37,610.10-15,322.02

Finding the Fourth Proportional to 27,261.42, 37,610.10 and 15,322.02

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Solution

The fourth proportional to 27,261.42, 37,610.10 and 15,322.02 is: 21,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.42 : 37,610.10 = 15,322.02 : x
  2. Step 2: Convert to fraction form
    27,261.42/37,610.10 = 15,322.02/x
  3. Step 3: Cross multiply
    27,261.42x = 37,610.10 × 15,322.02
  4. Step 4: Simplify right side
    27,261.42x = 576,262,704.40
  5. Step 5: Solve for x
    x = 576,262,704.40/27,261.42
  6. Step 6: Final answer
    x = 21,138.40

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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.