Home / 28,230.66-38,955.52-16,297.86

Finding the Fourth Proportional to 28,230.66, 38,955.52 and 16,297.86

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Solution

The fourth proportional to 28,230.66, 38,955.52 and 16,297.86 is: 22,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.66 : 38,955.52 = 16,297.86 : x
  2. Step 2: Convert to fraction form
    28,230.66/38,955.52 = 16,297.86/x
  3. Step 3: Cross multiply
    28,230.66x = 38,955.52 × 16,297.86
  4. Step 4: Simplify right side
    28,230.66x = 634,891,611.19
  5. Step 5: Solve for x
    x = 634,891,611.19/28,230.66
  6. Step 6: Final answer
    x = 22,489.44

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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.