Home / 28,808.14-43,212.21-9,088.69

Finding the Fourth Proportional to 28,808.14, 43,212.21 and 9,088.69

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Solution

The fourth proportional to 28,808.14, 43,212.21 and 9,088.69 is: 13,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.14 : 43,212.21 = 9,088.69 : x
  2. Step 2: Convert to fraction form
    28,808.14/43,212.21 = 9,088.69/x
  3. Step 3: Cross multiply
    28,808.14x = 43,212.21 × 9,088.69
  4. Step 4: Simplify right side
    28,808.14x = 392,742,380.90
  5. Step 5: Solve for x
    x = 392,742,380.90/28,808.14
  6. Step 6: Final answer
    x = 13,633.04

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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.