Home / 27,283.12-37,648.20-15,346.96

Finding the Fourth Proportional to 27,283.12, 37,648.20 and 15,346.96

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Solution

The fourth proportional to 27,283.12, 37,648.20 and 15,346.96 is: 21,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,283.12 : 37,648.20 = 15,346.96 : x
  2. Step 2: Convert to fraction form
    27,283.12/37,648.20 = 15,346.96/x
  3. Step 3: Cross multiply
    27,283.12x = 37,648.20 × 15,346.96
  4. Step 4: Simplify right side
    27,283.12x = 577,785,419.47
  5. Step 5: Solve for x
    x = 577,785,419.47/27,283.12
  6. Step 6: Final answer
    x = 21,177.40

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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.