Home / 25,039.46-34,555.01-13,709.43

Finding the Fourth Proportional to 25,039.46, 34,555.01 and 13,709.43

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Solution

The fourth proportional to 25,039.46, 34,555.01 and 13,709.43 is: 18,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,039.46 : 34,555.01 = 13,709.43 : x
  2. Step 2: Convert to fraction form
    25,039.46/34,555.01 = 13,709.43/x
  3. Step 3: Cross multiply
    25,039.46x = 34,555.01 × 13,709.43
  4. Step 4: Simplify right side
    25,039.46x = 473,729,422.20
  5. Step 5: Solve for x
    x = 473,729,422.20/25,039.46
  6. Step 6: Final answer
    x = 18,919.32

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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.