Home / 25,019.20-37,543.20-9,438.40

Finding the Fourth Proportional to 25,019.20, 37,543.20 and 9,438.40

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Solution

The fourth proportional to 25,019.20, 37,543.20 and 9,438.40 is: 14,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.20 : 37,543.20 = 9,438.40 : x
  2. Step 2: Convert to fraction form
    25,019.20/37,543.20 = 9,438.40/x
  3. Step 3: Cross multiply
    25,019.20x = 37,543.20 × 9,438.40
  4. Step 4: Simplify right side
    25,019.20x = 354,347,738.88
  5. Step 5: Solve for x
    x = 354,347,738.88/25,019.20
  6. Step 6: Final answer
    x = 14,163.03

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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.