Home / 20,326.38-30,467.32-10,466.25

Finding the Fourth Proportional to 20,326.38, 30,467.32 and 10,466.25

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Solution

The fourth proportional to 20,326.38, 30,467.32 and 10,466.25 is: 15,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.38 : 30,467.32 = 10,466.25 : x
  2. Step 2: Convert to fraction form
    20,326.38/30,467.32 = 10,466.25/x
  3. Step 3: Cross multiply
    20,326.38x = 30,467.32 × 10,466.25
  4. Step 4: Simplify right side
    20,326.38x = 318,878,506.40
  5. Step 5: Solve for x
    x = 318,878,506.40/20,326.38
  6. Step 6: Final answer
    x = 15,687.92

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1.5x scale

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.