Home / 20,952.68-31,435.16-8,466.26

Finding the Fourth Proportional to 20,952.68, 31,435.16 and 8,466.26

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Solution

The fourth proportional to 20,952.68, 31,435.16 and 8,466.26 is: 12,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.68 : 31,435.16 = 8,466.26 : x
  2. Step 2: Convert to fraction form
    20,952.68/31,435.16 = 8,466.26/x
  3. Step 3: Cross multiply
    20,952.68x = 31,435.16 × 8,466.26
  4. Step 4: Simplify right side
    20,952.68x = 266,138,038.19
  5. Step 5: Solve for x
    x = 266,138,038.19/20,952.68
  6. Step 6: Final answer
    x = 12,701.86

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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.