Home / 21,749.55-32,629.18-6,959.35

Finding the Fourth Proportional to 21,749.55, 32,629.18 and 6,959.35

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Solution

The fourth proportional to 21,749.55, 32,629.18 and 6,959.35 is: 10,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.55 : 32,629.18 = 6,959.35 : x
  2. Step 2: Convert to fraction form
    21,749.55/32,629.18 = 6,959.35/x
  3. Step 3: Cross multiply
    21,749.55x = 32,629.18 × 6,959.35
  4. Step 4: Simplify right side
    21,749.55x = 227,077,920.27
  5. Step 5: Solve for x
    x = 227,077,920.27/21,749.55
  6. Step 6: Final answer
    x = 10,440.58

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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.