Home / 25,442.40-38,163.60-6,722.40

Finding the Fourth Proportional to 25,442.40, 38,163.60 and 6,722.40

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Solution

The fourth proportional to 25,442.40, 38,163.60 and 6,722.40 is: 10,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.40 : 38,163.60 = 6,722.40 : x
  2. Step 2: Convert to fraction form
    25,442.40/38,163.60 = 6,722.40/x
  3. Step 3: Cross multiply
    25,442.40x = 38,163.60 × 6,722.40
  4. Step 4: Simplify right side
    25,442.40x = 256,550,984.64
  5. Step 5: Solve for x
    x = 256,550,984.64/25,442.40
  6. Step 6: Final answer
    x = 10,083.60

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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.