Home / 28,274.64-42,410.13-10,744.02

Finding the Fourth Proportional to 28,274.64, 42,410.13 and 10,744.02

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Solution

The fourth proportional to 28,274.64, 42,410.13 and 10,744.02 is: 16,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.64 : 42,410.13 = 10,744.02 : x
  2. Step 2: Convert to fraction form
    28,274.64/42,410.13 = 10,744.02/x
  3. Step 3: Cross multiply
    28,274.64x = 42,410.13 × 10,744.02
  4. Step 4: Simplify right side
    28,274.64x = 455,655,284.92
  5. Step 5: Solve for x
    x = 455,655,284.92/28,274.64
  6. Step 6: Final answer
    x = 16,115.33

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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.