Home / 25,305.81-34,922.30-13,975.29

Finding the Fourth Proportional to 25,305.81, 34,922.30 and 13,975.29

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Solution

The fourth proportional to 25,305.81, 34,922.30 and 13,975.29 is: 19,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.81 : 34,922.30 = 13,975.29 : x
  2. Step 2: Convert to fraction form
    25,305.81/34,922.30 = 13,975.29/x
  3. Step 3: Cross multiply
    25,305.81x = 34,922.30 × 13,975.29
  4. Step 4: Simplify right side
    25,305.81x = 488,049,025.48
  5. Step 5: Solve for x
    x = 488,049,025.48/25,305.81
  6. Step 6: Final answer
    x = 19,286.05

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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.