Home / 21,617.90-32,429.01-6,624.85

Finding the Fourth Proportional to 21,617.90, 32,429.01 and 6,624.85

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Solution

The fourth proportional to 21,617.90, 32,429.01 and 6,624.85 is: 9,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.90 : 32,429.01 = 6,624.85 : x
  2. Step 2: Convert to fraction form
    21,617.90/32,429.01 = 6,624.85/x
  3. Step 3: Cross multiply
    21,617.90x = 32,429.01 × 6,624.85
  4. Step 4: Simplify right side
    21,617.90x = 214,837,326.90
  5. Step 5: Solve for x
    x = 214,837,326.90/21,617.90
  6. Step 6: Final answer
    x = 9,937.94

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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.