Home / 25,075.81-34,604.48-13,745.79

Finding the Fourth Proportional to 25,075.81, 34,604.48 and 13,745.79

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Solution

The fourth proportional to 25,075.81, 34,604.48 and 13,745.79 is: 18,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.81 : 34,604.48 = 13,745.79 : x
  2. Step 2: Convert to fraction form
    25,075.81/34,604.48 = 13,745.79/x
  3. Step 3: Cross multiply
    25,075.81x = 34,604.48 × 13,745.79
  4. Step 4: Simplify right side
    25,075.81x = 475,665,949.50
  5. Step 5: Solve for x
    x = 475,665,949.50/25,075.81
  6. Step 6: Final answer
    x = 18,969.12

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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.