Home / 25,321.07-34,941.27-13,990.44

Finding the Fourth Proportional to 25,321.07, 34,941.27 and 13,990.44

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Solution

The fourth proportional to 25,321.07, 34,941.27 and 13,990.44 is: 19,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.07 : 34,941.27 = 13,990.44 : x
  2. Step 2: Convert to fraction form
    25,321.07/34,941.27 = 13,990.44/x
  3. Step 3: Cross multiply
    25,321.07x = 34,941.27 × 13,990.44
  4. Step 4: Simplify right side
    25,321.07x = 488,843,741.46
  5. Step 5: Solve for x
    x = 488,843,741.46/25,321.07
  6. Step 6: Final answer
    x = 19,305.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.