Home / 25,268.81-34,871.99-13,939.61

Finding the Fourth Proportional to 25,268.81, 34,871.99 and 13,939.61

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Solution

The fourth proportional to 25,268.81, 34,871.99 and 13,939.61 is: 19,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.81 : 34,871.99 = 13,939.61 : x
  2. Step 2: Convert to fraction form
    25,268.81/34,871.99 = 13,939.61/x
  3. Step 3: Cross multiply
    25,268.81x = 34,871.99 × 13,939.61
  4. Step 4: Simplify right side
    25,268.81x = 486,101,696.47
  5. Step 5: Solve for x
    x = 486,101,696.47/25,268.81
  6. Step 6: Final answer
    x = 19,237.23

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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.