Home / 27,531.21-37,956.24-21,884.70

Finding the Fourth Proportional to 27,531.21, 37,956.24 and 21,884.70

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Solution

The fourth proportional to 27,531.21, 37,956.24 and 21,884.70 is: 30,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.21 : 37,956.24 = 21,884.70 : x
  2. Step 2: Convert to fraction form
    27,531.21/37,956.24 = 21,884.70/x
  3. Step 3: Cross multiply
    27,531.21x = 37,956.24 × 21,884.70
  4. Step 4: Simplify right side
    27,531.21x = 830,660,925.53
  5. Step 5: Solve for x
    x = 830,660,925.53/27,531.21
  6. Step 6: Final answer
    x = 30,171.61

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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.