Home / 27,272.40-37,635.67-15,335.48

Finding the Fourth Proportional to 27,272.40, 37,635.67 and 15,335.48

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Solution

The fourth proportional to 27,272.40, 37,635.67 and 15,335.48 is: 21,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.40 : 37,635.67 = 15,335.48 : x
  2. Step 2: Convert to fraction form
    27,272.40/37,635.67 = 15,335.48/x
  3. Step 3: Cross multiply
    27,272.40x = 37,635.67 × 15,335.48
  4. Step 4: Simplify right side
    27,272.40x = 577,160,966.13
  5. Step 5: Solve for x
    x = 577,160,966.13/27,272.40
  6. Step 6: Final answer
    x = 21,162.83

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1.5x scale

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.