Home / 28,199-42,301.36-10,434.35

Finding the Fourth Proportional to 28,199, 42,301.36 and 10,434.35

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Solution

The fourth proportional to 28,199, 42,301.36 and 10,434.35 is: 15,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199 : 42,301.36 = 10,434.35 : x
  2. Step 2: Convert to fraction form
    28,199/42,301.36 = 10,434.35/x
  3. Step 3: Cross multiply
    28,199x = 42,301.36 × 10,434.35
  4. Step 4: Simplify right side
    28,199x = 441,387,195.72
  5. Step 5: Solve for x
    x = 441,387,195.72/28,199
  6. Step 6: Final answer
    x = 15,652.58

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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.