Home / 21,484.77-32,228.70-8,992.22

Finding the Fourth Proportional to 21,484.77, 32,228.70 and 8,992.22

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Solution

The fourth proportional to 21,484.77, 32,228.70 and 8,992.22 is: 13,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.77 : 32,228.70 = 8,992.22 : x
  2. Step 2: Convert to fraction form
    21,484.77/32,228.70 = 8,992.22/x
  3. Step 3: Cross multiply
    21,484.77x = 32,228.70 × 8,992.22
  4. Step 4: Simplify right side
    21,484.77x = 289,807,399.57
  5. Step 5: Solve for x
    x = 289,807,399.57/21,484.77
  6. Step 6: Final answer
    x = 13,488.97

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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.