Home / 27,009.11-37,272.58-15,072.53

Finding the Fourth Proportional to 27,009.11, 37,272.58 and 15,072.53

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Solution

The fourth proportional to 27,009.11, 37,272.58 and 15,072.53 is: 20,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.11 : 37,272.58 = 15,072.53 : x
  2. Step 2: Convert to fraction form
    27,009.11/37,272.58 = 15,072.53/x
  3. Step 3: Cross multiply
    27,009.11x = 37,272.58 × 15,072.53
  4. Step 4: Simplify right side
    27,009.11x = 561,791,856.18
  5. Step 5: Solve for x
    x = 561,791,856.18/27,009.11
  6. Step 6: Final answer
    x = 20,800.09

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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.