Home / 25,245-34,837.64-13,760.01

Finding the Fourth Proportional to 25,245, 34,837.64 and 13,760.01

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Solution

The fourth proportional to 25,245, 34,837.64 and 13,760.01 is: 18,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245 : 34,837.64 = 13,760.01 : x
  2. Step 2: Convert to fraction form
    25,245/34,837.64 = 13,760.01/x
  3. Step 3: Cross multiply
    25,245x = 34,837.64 × 13,760.01
  4. Step 4: Simplify right side
    25,245x = 479,366,205.98
  5. Step 5: Solve for x
    x = 479,366,205.98/25,245
  6. Step 6: Final answer
    x = 18,988.56

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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.