Home / 23,880.20-35,820.60-7,240.40

Finding the Fourth Proportional to 23,880.20, 35,820.60 and 7,240.40

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Solution

The fourth proportional to 23,880.20, 35,820.60 and 7,240.40 is: 10,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.20 : 35,820.60 = 7,240.40 : x
  2. Step 2: Convert to fraction form
    23,880.20/35,820.60 = 7,240.40/x
  3. Step 3: Cross multiply
    23,880.20x = 35,820.60 × 7,240.40
  4. Step 4: Simplify right side
    23,880.20x = 259,355,472.24
  5. Step 5: Solve for x
    x = 259,355,472.24/23,880.20
  6. Step 6: Final answer
    x = 10,860.69

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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.