Home / 28,199.52-38,922.48-16,875.84

Finding the Fourth Proportional to 28,199.52, 38,922.48 and 16,875.84

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Solution

The fourth proportional to 28,199.52, 38,922.48 and 16,875.84 is: 23,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.52 : 38,922.48 = 16,875.84 : x
  2. Step 2: Convert to fraction form
    28,199.52/38,922.48 = 16,875.84/x
  3. Step 3: Cross multiply
    28,199.52x = 38,922.48 × 16,875.84
  4. Step 4: Simplify right side
    28,199.52x = 656,849,544.88
  5. Step 5: Solve for x
    x = 656,849,544.88/28,199.52
  6. Step 6: Final answer
    x = 23,292.93

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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.