Home / 18,851.22-28,276.83-15,297.35

Finding the Fourth Proportional to 18,851.22, 28,276.83 and 15,297.35

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Solution

The fourth proportional to 18,851.22, 28,276.83 and 15,297.35 is: 22,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.22 : 28,276.83 = 15,297.35 : x
  2. Step 2: Convert to fraction form
    18,851.22/28,276.83 = 15,297.35/x
  3. Step 3: Cross multiply
    18,851.22x = 28,276.83 × 15,297.35
  4. Step 4: Simplify right side
    18,851.22x = 432,560,424.02
  5. Step 5: Solve for x
    x = 432,560,424.02/18,851.22
  6. Step 6: Final answer
    x = 22,946.02

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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.