Home / 28,809.08-43,213.60-9,089.18

Finding the Fourth Proportional to 28,809.08, 43,213.60 and 9,089.18

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Solution

The fourth proportional to 28,809.08, 43,213.60 and 9,089.18 is: 13,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.08 : 43,213.60 = 9,089.18 : x
  2. Step 2: Convert to fraction form
    28,809.08/43,213.60 = 9,089.18/x
  3. Step 3: Cross multiply
    28,809.08x = 43,213.60 × 9,089.18
  4. Step 4: Simplify right side
    28,809.08x = 392,776,188.85
  5. Step 5: Solve for x
    x = 392,776,188.85/28,809.08
  6. Step 6: Final answer
    x = 13,633.76

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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.