Home / 21,358.53-32,040.87-6,568.70

Finding the Fourth Proportional to 21,358.53, 32,040.87 and 6,568.70

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Solution

The fourth proportional to 21,358.53, 32,040.87 and 6,568.70 is: 9,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.53 : 32,040.87 = 6,568.70 : x
  2. Step 2: Convert to fraction form
    21,358.53/32,040.87 = 6,568.70/x
  3. Step 3: Cross multiply
    21,358.53x = 32,040.87 × 6,568.70
  4. Step 4: Simplify right side
    21,358.53x = 210,466,702.56
  5. Step 5: Solve for x
    x = 210,466,702.56/21,358.53
  6. Step 6: Final answer
    x = 9,853.99

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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.