Home / 21,727.91-32,536.71-18,208.67

Finding the Fourth Proportional to 21,727.91, 32,536.71 and 18,208.67

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Solution

The fourth proportional to 21,727.91, 32,536.71 and 18,208.67 is: 27,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.91 : 32,536.71 = 18,208.67 : x
  2. Step 2: Convert to fraction form
    21,727.91/32,536.71 = 18,208.67/x
  3. Step 3: Cross multiply
    21,727.91x = 32,536.71 × 18,208.67
  4. Step 4: Simplify right side
    21,727.91x = 592,450,215.28
  5. Step 5: Solve for x
    x = 592,450,215.28/21,727.91
  6. Step 6: Final answer
    x = 27,266.78

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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.