Home / 25,075.78-34,604.44-13,745.76

Finding the Fourth Proportional to 25,075.78, 34,604.44 and 13,745.76

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Solution

The fourth proportional to 25,075.78, 34,604.44 and 13,745.76 is: 18,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.78 : 34,604.44 = 13,745.76 : x
  2. Step 2: Convert to fraction form
    25,075.78/34,604.44 = 13,745.76/x
  3. Step 3: Cross multiply
    25,075.78x = 34,604.44 × 13,745.76
  4. Step 4: Simplify right side
    25,075.78x = 475,664,327.17
  5. Step 5: Solve for x
    x = 475,664,327.17/25,075.78
  6. Step 6: Final answer
    x = 18,969.07

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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.