Home / 25,458.68-35,139.66-14,284.28

Finding the Fourth Proportional to 25,458.68, 35,139.66 and 14,284.28

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Solution

The fourth proportional to 25,458.68, 35,139.66 and 14,284.28 is: 19,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.68 : 35,139.66 = 14,284.28 : x
  2. Step 2: Convert to fraction form
    25,458.68/35,139.66 = 14,284.28/x
  3. Step 3: Cross multiply
    25,458.68x = 35,139.66 × 14,284.28
  4. Step 4: Simplify right side
    25,458.68x = 501,944,742.54
  5. Step 5: Solve for x
    x = 501,944,742.54/25,458.68
  6. Step 6: Final answer
    x = 19,716.06

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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.