Home / 32,722.16-45,150.36-20,787.44

Finding the Fourth Proportional to 32,722.16, 45,150.36 and 20,787.44

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Solution

The fourth proportional to 32,722.16, 45,150.36 and 20,787.44 is: 28,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,722.16 : 45,150.36 = 20,787.44 : x
  2. Step 2: Convert to fraction form
    32,722.16/45,150.36 = 20,787.44/x
  3. Step 3: Cross multiply
    32,722.16x = 45,150.36 × 20,787.44
  4. Step 4: Simplify right side
    32,722.16x = 938,560,399.48
  5. Step 5: Solve for x
    x = 938,560,399.48/32,722.16
  6. Step 6: Final answer
    x = 28,682.72

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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.