Home / 21,749.76-32,621.88-6,957.42

Finding the Fourth Proportional to 21,749.76, 32,621.88 and 6,957.42

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Solution

The fourth proportional to 21,749.76, 32,621.88 and 6,957.42 is: 10,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.76 : 32,621.88 = 6,957.42 : x
  2. Step 2: Convert to fraction form
    21,749.76/32,621.88 = 6,957.42/x
  3. Step 3: Cross multiply
    21,749.76x = 32,621.88 × 6,957.42
  4. Step 4: Simplify right side
    21,749.76x = 226,964,120.35
  5. Step 5: Solve for x
    x = 226,964,120.35/21,749.76
  6. Step 6: Final answer
    x = 10,435.25

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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.