Home / 22,850.42-31,533.36-12,778.75

Finding the Fourth Proportional to 22,850.42, 31,533.36 and 12,778.75

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Solution

The fourth proportional to 22,850.42, 31,533.36 and 12,778.75 is: 17,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.42 : 31,533.36 = 12,778.75 : x
  2. Step 2: Convert to fraction form
    22,850.42/31,533.36 = 12,778.75/x
  3. Step 3: Cross multiply
    22,850.42x = 31,533.36 × 12,778.75
  4. Step 4: Simplify right side
    22,850.42x = 402,956,924.10
  5. Step 5: Solve for x
    x = 402,956,924.10/22,850.42
  6. Step 6: Final answer
    x = 17,634.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.