Home / 23,919.32-35,880.82-7,280.78

Finding the Fourth Proportional to 23,919.32, 35,880.82 and 7,280.78

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Solution

The fourth proportional to 23,919.32, 35,880.82 and 7,280.78 is: 10,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.32 : 35,880.82 = 7,280.78 : x
  2. Step 2: Convert to fraction form
    23,919.32/35,880.82 = 7,280.78/x
  3. Step 3: Cross multiply
    23,919.32x = 35,880.82 × 7,280.78
  4. Step 4: Simplify right side
    23,919.32x = 261,240,159.03
  5. Step 5: Solve for x
    x = 261,240,159.03/23,919.32
  6. Step 6: Final answer
    x = 10,921.72

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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.