Home / 35,372.09-52,995.67-18,695.21

Finding the Fourth Proportional to 35,372.09, 52,995.67 and 18,695.21

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Solution

The fourth proportional to 35,372.09, 52,995.67 and 18,695.21 is: 28,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.09 : 52,995.67 = 18,695.21 : x
  2. Step 2: Convert to fraction form
    35,372.09/52,995.67 = 18,695.21/x
  3. Step 3: Cross multiply
    35,372.09x = 52,995.67 × 18,695.21
  4. Step 4: Simplify right side
    35,372.09x = 990,764,868.02
  5. Step 5: Solve for x
    x = 990,764,868.02/35,372.09
  6. Step 6: Final answer
    x = 28,009.79

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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.