Home / 28,002.36-38,642.94-16,065.96

Finding the Fourth Proportional to 28,002.36, 38,642.94 and 16,065.96

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Solution

The fourth proportional to 28,002.36, 38,642.94 and 16,065.96 is: 22,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.36 : 38,642.94 = 16,065.96 : x
  2. Step 2: Convert to fraction form
    28,002.36/38,642.94 = 16,065.96/x
  3. Step 3: Cross multiply
    28,002.36x = 38,642.94 × 16,065.96
  4. Step 4: Simplify right side
    28,002.36x = 620,835,928.32
  5. Step 5: Solve for x
    x = 620,835,928.32/28,002.36
  6. Step 6: Final answer
    x = 22,170.84

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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.