Home / 19,742.21-27,244.25-10,789.71

Finding the Fourth Proportional to 19,742.21, 27,244.25 and 10,789.71

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Solution

The fourth proportional to 19,742.21, 27,244.25 and 10,789.71 is: 14,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.21 : 27,244.25 = 10,789.71 : x
  2. Step 2: Convert to fraction form
    19,742.21/27,244.25 = 10,789.71/x
  3. Step 3: Cross multiply
    19,742.21x = 27,244.25 × 10,789.71
  4. Step 4: Simplify right side
    19,742.21x = 293,957,558.53
  5. Step 5: Solve for x
    x = 293,957,558.53/19,742.21
  6. Step 6: Final answer
    x = 14,889.80

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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.