Home / 25,055.74-34,576.74-13,725.16

Finding the Fourth Proportional to 25,055.74, 34,576.74 and 13,725.16

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Solution

The fourth proportional to 25,055.74, 34,576.74 and 13,725.16 is: 18,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.74 : 34,576.74 = 13,725.16 : x
  2. Step 2: Convert to fraction form
    25,055.74/34,576.74 = 13,725.16/x
  3. Step 3: Cross multiply
    25,055.74x = 34,576.74 × 13,725.16
  4. Step 4: Simplify right side
    25,055.74x = 474,571,288.78
  5. Step 5: Solve for x
    x = 474,571,288.78/25,055.74
  6. Step 6: Final answer
    x = 18,940.62

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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.