Home / 25,682.88-35,443.31-15,075.93

Finding the Fourth Proportional to 25,682.88, 35,443.31 and 15,075.93

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Solution

The fourth proportional to 25,682.88, 35,443.31 and 15,075.93 is: 20,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.88 : 35,443.31 = 15,075.93 : x
  2. Step 2: Convert to fraction form
    25,682.88/35,443.31 = 15,075.93/x
  3. Step 3: Cross multiply
    25,682.88x = 35,443.31 × 15,075.93
  4. Step 4: Simplify right side
    25,682.88x = 534,340,860.53
  5. Step 5: Solve for x
    x = 534,340,860.53/25,682.88
  6. Step 6: Final answer
    x = 20,805.33

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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.