Home / 28,084.32-38,758.70-16,151.50

Finding the Fourth Proportional to 28,084.32, 38,758.70 and 16,151.50

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Solution

The fourth proportional to 28,084.32, 38,758.70 and 16,151.50 is: 22,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.32 : 38,758.70 = 16,151.50 : x
  2. Step 2: Convert to fraction form
    28,084.32/38,758.70 = 16,151.50/x
  3. Step 3: Cross multiply
    28,084.32x = 38,758.70 × 16,151.50
  4. Step 4: Simplify right side
    28,084.32x = 626,011,231.88
  5. Step 5: Solve for x
    x = 626,011,231.88/28,084.32
  6. Step 6: Final answer
    x = 22,290.42

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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.