Home / 25,644.48-38,466.42-8,114.28

Finding the Fourth Proportional to 25,644.48, 38,466.42 and 8,114.28

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Solution

The fourth proportional to 25,644.48, 38,466.42 and 8,114.28 is: 12,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.48 : 38,466.42 = 8,114.28 : x
  2. Step 2: Convert to fraction form
    25,644.48/38,466.42 = 8,114.28/x
  3. Step 3: Cross multiply
    25,644.48x = 38,466.42 × 8,114.28
  4. Step 4: Simplify right side
    25,644.48x = 312,127,302.48
  5. Step 5: Solve for x
    x = 312,127,302.48/25,644.48
  6. Step 6: Final answer
    x = 12,171.33

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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.