Home / 22,435.32-33,615.78-13,643.64

Finding the Fourth Proportional to 22,435.32, 33,615.78 and 13,643.64

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Solution

The fourth proportional to 22,435.32, 33,615.78 and 13,643.64 is: 20,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.32 : 33,615.78 = 13,643.64 : x
  2. Step 2: Convert to fraction form
    22,435.32/33,615.78 = 13,643.64/x
  3. Step 3: Cross multiply
    22,435.32x = 33,615.78 × 13,643.64
  4. Step 4: Simplify right side
    22,435.32x = 458,641,600.64
  5. Step 5: Solve for x
    x = 458,641,600.64/22,435.32
  6. Step 6: Final answer
    x = 20,442.84

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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.