Home / 21,798.28-32,702.91-6,215.91

Finding the Fourth Proportional to 21,798.28, 32,702.91 and 6,215.91

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Solution

The fourth proportional to 21,798.28, 32,702.91 and 6,215.91 is: 9,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.28 : 32,702.91 = 6,215.91 : x
  2. Step 2: Convert to fraction form
    21,798.28/32,702.91 = 6,215.91/x
  3. Step 3: Cross multiply
    21,798.28x = 32,702.91 × 6,215.91
  4. Step 4: Simplify right side
    21,798.28x = 203,278,199.35
  5. Step 5: Solve for x
    x = 203,278,199.35/21,798.28
  6. Step 6: Final answer
    x = 9,325.42

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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.