Home / 38,543.12-57,823.44-16,357.28

Finding the Fourth Proportional to 38,543.12, 57,823.44 and 16,357.28

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Solution

The fourth proportional to 38,543.12, 57,823.44 and 16,357.28 is: 24,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543.12 : 57,823.44 = 16,357.28 : x
  2. Step 2: Convert to fraction form
    38,543.12/57,823.44 = 16,357.28/x
  3. Step 3: Cross multiply
    38,543.12x = 57,823.44 × 16,357.28
  4. Step 4: Simplify right side
    38,543.12x = 945,834,198.64
  5. Step 5: Solve for x
    x = 945,834,198.64/38,543.12
  6. Step 6: Final answer
    x = 24,539.64

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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.