Home / 38,489.80-57,690.93-16,289.32

Finding the Fourth Proportional to 38,489.80, 57,690.93 and 16,289.32

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Solution

The fourth proportional to 38,489.80, 57,690.93 and 16,289.32 is: 24,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.80 : 57,690.93 = 16,289.32 : x
  2. Step 2: Convert to fraction form
    38,489.80/57,690.93 = 16,289.32/x
  3. Step 3: Cross multiply
    38,489.80x = 57,690.93 × 16,289.32
  4. Step 4: Simplify right side
    38,489.80x = 939,746,019.87
  5. Step 5: Solve for x
    x = 939,746,019.87/38,489.80
  6. Step 6: Final answer
    x = 24,415.46

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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.