Home / 22,509.60-33,764.40-18,135.60

Finding the Fourth Proportional to 22,509.60, 33,764.40 and 18,135.60

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Solution

The fourth proportional to 22,509.60, 33,764.40 and 18,135.60 is: 27,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.60 : 33,764.40 = 18,135.60 : x
  2. Step 2: Convert to fraction form
    22,509.60/33,764.40 = 18,135.60/x
  3. Step 3: Cross multiply
    22,509.60x = 33,764.40 × 18,135.60
  4. Step 4: Simplify right side
    22,509.60x = 612,337,652.64
  5. Step 5: Solve for x
    x = 612,337,652.64/22,509.60
  6. Step 6: Final answer
    x = 27,203.40

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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.