Home / 21,357.66-32,022.69-8,886.28

Finding the Fourth Proportional to 21,357.66, 32,022.69 and 8,886.28

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Solution

The fourth proportional to 21,357.66, 32,022.69 and 8,886.28 is: 13,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.66 : 32,022.69 = 8,886.28 : x
  2. Step 2: Convert to fraction form
    21,357.66/32,022.69 = 8,886.28/x
  3. Step 3: Cross multiply
    21,357.66x = 32,022.69 × 8,886.28
  4. Step 4: Simplify right side
    21,357.66x = 284,562,589.69
  5. Step 5: Solve for x
    x = 284,562,589.69/21,357.66
  6. Step 6: Final answer
    x = 13,323.68

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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.