Home / 88,291.96-132,434.38-21,728.84

Finding the Fourth Proportional to 88,291.96, 132,434.38 and 21,728.84

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Solution

The fourth proportional to 88,291.96, 132,434.38 and 21,728.84 is: 32,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,291.96 : 132,434.38 = 21,728.84 : x
  2. Step 2: Convert to fraction form
    88,291.96/132,434.38 = 21,728.84/x
  3. Step 3: Cross multiply
    88,291.96x = 132,434.38 × 21,728.84
  4. Step 4: Simplify right side
    88,291.96x = 2,877,645,453.52
  5. Step 5: Solve for x
    x = 2,877,645,453.52/88,291.96
  6. Step 6: Final answer
    x = 32,592.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.