Home / 27,415.64-37,833.60-15,479

Finding the Fourth Proportional to 27,415.64, 37,833.60 and 15,479

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Solution

The fourth proportional to 27,415.64, 37,833.60 and 15,479 is: 21,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.64 : 37,833.60 = 15,479 : x
  2. Step 2: Convert to fraction form
    27,415.64/37,833.60 = 15,479/x
  3. Step 3: Cross multiply
    27,415.64x = 37,833.60 × 15,479
  4. Step 4: Simplify right side
    27,415.64x = 585,626,294.40
  5. Step 5: Solve for x
    x = 585,626,294.40/27,415.64
  6. Step 6: Final answer
    x = 21,361.03

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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.