Home / 27,167.89-37,489.65-15,228.95

Finding the Fourth Proportional to 27,167.89, 37,489.65 and 15,228.95

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Solution

The fourth proportional to 27,167.89, 37,489.65 and 15,228.95 is: 21,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.89 : 37,489.65 = 15,228.95 : x
  2. Step 2: Convert to fraction form
    27,167.89/37,489.65 = 15,228.95/x
  3. Step 3: Cross multiply
    27,167.89x = 37,489.65 × 15,228.95
  4. Step 4: Simplify right side
    27,167.89x = 570,928,005.37
  5. Step 5: Solve for x
    x = 570,928,005.37/27,167.89
  6. Step 6: Final answer
    x = 21,014.81

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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.