Home / 32,272.80-48,344.40-18,405.60

Finding the Fourth Proportional to 32,272.80, 48,344.40 and 18,405.60

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Solution

The fourth proportional to 32,272.80, 48,344.40 and 18,405.60 is: 27,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,272.80 : 48,344.40 = 18,405.60 : x
  2. Step 2: Convert to fraction form
    32,272.80/48,344.40 = 18,405.60/x
  3. Step 3: Cross multiply
    32,272.80x = 48,344.40 × 18,405.60
  4. Step 4: Simplify right side
    32,272.80x = 889,807,688.64
  5. Step 5: Solve for x
    x = 889,807,688.64/32,272.80
  6. Step 6: Final answer
    x = 27,571.44

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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.