Home / 28,161.24-42,251.52-10,636.08

Finding the Fourth Proportional to 28,161.24, 42,251.52 and 10,636.08

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Solution

The fourth proportional to 28,161.24, 42,251.52 and 10,636.08 is: 15,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.24 : 42,251.52 = 10,636.08 : x
  2. Step 2: Convert to fraction form
    28,161.24/42,251.52 = 10,636.08/x
  3. Step 3: Cross multiply
    28,161.24x = 42,251.52 × 10,636.08
  4. Step 4: Simplify right side
    28,161.24x = 449,390,546.84
  5. Step 5: Solve for x
    x = 449,390,546.84/28,161.24
  6. Step 6: Final answer
    x = 15,957.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.