Home / 28,191.88-38,907.30-16,093.72

Finding the Fourth Proportional to 28,191.88, 38,907.30 and 16,093.72

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Solution

The fourth proportional to 28,191.88, 38,907.30 and 16,093.72 is: 22,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.88 : 38,907.30 = 16,093.72 : x
  2. Step 2: Convert to fraction form
    28,191.88/38,907.30 = 16,093.72/x
  3. Step 3: Cross multiply
    28,191.88x = 38,907.30 × 16,093.72
  4. Step 4: Simplify right side
    28,191.88x = 626,163,192.16
  5. Step 5: Solve for x
    x = 626,163,192.16/28,191.88
  6. Step 6: Final answer
    x = 22,210.76

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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.