Home / 28,538.27-42,809.46-8,814.27

Finding the Fourth Proportional to 28,538.27, 42,809.46 and 8,814.27

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Solution

The fourth proportional to 28,538.27, 42,809.46 and 8,814.27 is: 13,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.27 : 42,809.46 = 8,814.27 : x
  2. Step 2: Convert to fraction form
    28,538.27/42,809.46 = 8,814.27/x
  3. Step 3: Cross multiply
    28,538.27x = 42,809.46 × 8,814.27
  4. Step 4: Simplify right side
    28,538.27x = 377,334,138.99
  5. Step 5: Solve for x
    x = 377,334,138.99/28,538.27
  6. Step 6: Final answer
    x = 13,222.04

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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.