Home / 21,349.72-32,030.72-8,867.42

Finding the Fourth Proportional to 21,349.72, 32,030.72 and 8,867.42

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Solution

The fourth proportional to 21,349.72, 32,030.72 and 8,867.42 is: 13,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349.72 : 32,030.72 = 8,867.42 : x
  2. Step 2: Convert to fraction form
    21,349.72/32,030.72 = 8,867.42/x
  3. Step 3: Cross multiply
    21,349.72x = 32,030.72 × 8,867.42
  4. Step 4: Simplify right side
    21,349.72x = 284,029,847.14
  5. Step 5: Solve for x
    x = 284,029,847.14/21,349.72
  6. Step 6: Final answer
    x = 13,303.68

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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.