Home / 25,455.73-35,130.82-14,127.36

Finding the Fourth Proportional to 25,455.73, 35,130.82 and 14,127.36

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Solution

The fourth proportional to 25,455.73, 35,130.82 and 14,127.36 is: 19,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.73 : 35,130.82 = 14,127.36 : x
  2. Step 2: Convert to fraction form
    25,455.73/35,130.82 = 14,127.36/x
  3. Step 3: Cross multiply
    25,455.73x = 35,130.82 × 14,127.36
  4. Step 4: Simplify right side
    25,455.73x = 496,305,741.24
  5. Step 5: Solve for x
    x = 496,305,741.24/25,455.73
  6. Step 6: Final answer
    x = 19,496.82

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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.