Home / 21,935.16-32,907.60-10,242

Finding the Fourth Proportional to 21,935.16, 32,907.60 and 10,242

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Solution

The fourth proportional to 21,935.16, 32,907.60 and 10,242 is: 15,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.16 : 32,907.60 = 10,242 : x
  2. Step 2: Convert to fraction form
    21,935.16/32,907.60 = 10,242/x
  3. Step 3: Cross multiply
    21,935.16x = 32,907.60 × 10,242
  4. Step 4: Simplify right side
    21,935.16x = 337,039,639.20
  5. Step 5: Solve for x
    x = 337,039,639.20/21,935.16
  6. Step 6: Final answer
    x = 15,365.27

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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.