Home / 25,071.05-34,598.49-13,739.79

Finding the Fourth Proportional to 25,071.05, 34,598.49 and 13,739.79

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Solution

The fourth proportional to 25,071.05, 34,598.49 and 13,739.79 is: 18,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.05 : 34,598.49 = 13,739.79 : x
  2. Step 2: Convert to fraction form
    25,071.05/34,598.49 = 13,739.79/x
  3. Step 3: Cross multiply
    25,071.05x = 34,598.49 × 13,739.79
  4. Step 4: Simplify right side
    25,071.05x = 475,375,986.92
  5. Step 5: Solve for x
    x = 475,375,986.92/25,071.05
  6. Step 6: Final answer
    x = 18,961.16

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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.