Home / 25,619.73-35,355.53-14,290.21

Finding the Fourth Proportional to 25,619.73, 35,355.53 and 14,290.21

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Solution

The fourth proportional to 25,619.73, 35,355.53 and 14,290.21 is: 19,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.73 : 35,355.53 = 14,290.21 : x
  2. Step 2: Convert to fraction form
    25,619.73/35,355.53 = 14,290.21/x
  3. Step 3: Cross multiply
    25,619.73x = 35,355.53 × 14,290.21
  4. Step 4: Simplify right side
    25,619.73x = 505,238,028.28
  5. Step 5: Solve for x
    x = 505,238,028.28/25,619.73
  6. Step 6: Final answer
    x = 19,720.66

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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.