Home / 19,717.92-29,602.80-18,087.84

Finding the Fourth Proportional to 19,717.92, 29,602.80 and 18,087.84

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Solution

The fourth proportional to 19,717.92, 29,602.80 and 18,087.84 is: 27,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.92 : 29,602.80 = 18,087.84 : x
  2. Step 2: Convert to fraction form
    19,717.92/29,602.80 = 18,087.84/x
  3. Step 3: Cross multiply
    19,717.92x = 29,602.80 × 18,087.84
  4. Step 4: Simplify right side
    19,717.92x = 535,450,709.95
  5. Step 5: Solve for x
    x = 535,450,709.95/19,717.92
  6. Step 6: Final answer
    x = 27,155.54

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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.