Home / 28,225.14-38,941.83-16,286.91

Finding the Fourth Proportional to 28,225.14, 38,941.83 and 16,286.91

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Solution

The fourth proportional to 28,225.14, 38,941.83 and 16,286.91 is: 22,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.14 : 38,941.83 = 16,286.91 : x
  2. Step 2: Convert to fraction form
    28,225.14/38,941.83 = 16,286.91/x
  3. Step 3: Cross multiply
    28,225.14x = 38,941.83 × 16,286.91
  4. Step 4: Simplify right side
    28,225.14x = 634,242,080.45
  5. Step 5: Solve for x
    x = 634,242,080.45/28,225.14
  6. Step 6: Final answer
    x = 22,470.82

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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.