Home / 21,824.77-32,739.27-8,674.21

Finding the Fourth Proportional to 21,824.77, 32,739.27 and 8,674.21

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Solution

The fourth proportional to 21,824.77, 32,739.27 and 8,674.21 is: 13,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.77 : 32,739.27 = 8,674.21 : x
  2. Step 2: Convert to fraction form
    21,824.77/32,739.27 = 8,674.21/x
  3. Step 3: Cross multiply
    21,824.77x = 32,739.27 × 8,674.21
  4. Step 4: Simplify right side
    21,824.77x = 283,987,303.23
  5. Step 5: Solve for x
    x = 283,987,303.23/21,824.77
  6. Step 6: Final answer
    x = 13,012.16

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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.