Home / 21,624.63-32,451.50-7,584.79

Finding the Fourth Proportional to 21,624.63, 32,451.50 and 7,584.79

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Solution

The fourth proportional to 21,624.63, 32,451.50 and 7,584.79 is: 11,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.63 : 32,451.50 = 7,584.79 : x
  2. Step 2: Convert to fraction form
    21,624.63/32,451.50 = 7,584.79/x
  3. Step 3: Cross multiply
    21,624.63x = 32,451.50 × 7,584.79
  4. Step 4: Simplify right side
    21,624.63x = 246,137,612.50
  5. Step 5: Solve for x
    x = 246,137,612.50/21,624.63
  6. Step 6: Final answer
    x = 11,382.28

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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.