Home / 23,199.22-32,014.20-12,990.28

Finding the Fourth Proportional to 23,199.22, 32,014.20 and 12,990.28

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Solution

The fourth proportional to 23,199.22, 32,014.20 and 12,990.28 is: 17,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.22 : 32,014.20 = 12,990.28 : x
  2. Step 2: Convert to fraction form
    23,199.22/32,014.20 = 12,990.28/x
  3. Step 3: Cross multiply
    23,199.22x = 32,014.20 × 12,990.28
  4. Step 4: Simplify right side
    23,199.22x = 415,873,421.98
  5. Step 5: Solve for x
    x = 415,873,421.98/23,199.22
  6. Step 6: Final answer
    x = 17,926.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.