Home / 21,023.94-31,532.87-6,790.52

Finding the Fourth Proportional to 21,023.94, 31,532.87 and 6,790.52

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Solution

The fourth proportional to 21,023.94, 31,532.87 and 6,790.52 is: 10,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.94 : 31,532.87 = 6,790.52 : x
  2. Step 2: Convert to fraction form
    21,023.94/31,532.87 = 6,790.52/x
  3. Step 3: Cross multiply
    21,023.94x = 31,532.87 × 6,790.52
  4. Step 4: Simplify right side
    21,023.94x = 214,124,392.78
  5. Step 5: Solve for x
    x = 214,124,392.78/21,023.94
  6. Step 6: Final answer
    x = 10,184.79

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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.