Home / 35,147.28-52,684.20-15,409.20

Finding the Fourth Proportional to 35,147.28, 52,684.20 and 15,409.20

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Solution

The fourth proportional to 35,147.28, 52,684.20 and 15,409.20 is: 23,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.28 : 52,684.20 = 15,409.20 : x
  2. Step 2: Convert to fraction form
    35,147.28/52,684.20 = 15,409.20/x
  3. Step 3: Cross multiply
    35,147.28x = 52,684.20 × 15,409.20
  4. Step 4: Simplify right side
    35,147.28x = 811,821,374.64
  5. Step 5: Solve for x
    x = 811,821,374.64/35,147.28
  6. Step 6: Final answer
    x = 23,097.70

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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.