Home / 21,976.68-32,977.33-8,838.28

Finding the Fourth Proportional to 21,976.68, 32,977.33 and 8,838.28

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Solution

The fourth proportional to 21,976.68, 32,977.33 and 8,838.28 is: 13,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.68 : 32,977.33 = 8,838.28 : x
  2. Step 2: Convert to fraction form
    21,976.68/32,977.33 = 8,838.28/x
  3. Step 3: Cross multiply
    21,976.68x = 32,977.33 × 8,838.28
  4. Step 4: Simplify right side
    21,976.68x = 291,462,895.32
  5. Step 5: Solve for x
    x = 291,462,895.32/21,976.68
  6. Step 6: Final answer
    x = 13,262.37

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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.