Home / 20,624.42-28,462.03-11,192.99

Finding the Fourth Proportional to 20,624.42, 28,462.03 and 11,192.99

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Solution

The fourth proportional to 20,624.42, 28,462.03 and 11,192.99 is: 15,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.42 : 28,462.03 = 11,192.99 : x
  2. Step 2: Convert to fraction form
    20,624.42/28,462.03 = 11,192.99/x
  3. Step 3: Cross multiply
    20,624.42x = 28,462.03 × 11,192.99
  4. Step 4: Simplify right side
    20,624.42x = 318,575,109.84
  5. Step 5: Solve for x
    x = 318,575,109.84/20,624.42
  6. Step 6: Final answer
    x = 15,446.50

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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.