Home / 22,433.41-33,639.09-13,075.78

Finding the Fourth Proportional to 22,433.41, 33,639.09 and 13,075.78

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Solution

The fourth proportional to 22,433.41, 33,639.09 and 13,075.78 is: 19,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.41 : 33,639.09 = 13,075.78 : x
  2. Step 2: Convert to fraction form
    22,433.41/33,639.09 = 13,075.78/x
  3. Step 3: Cross multiply
    22,433.41x = 33,639.09 × 13,075.78
  4. Step 4: Simplify right side
    22,433.41x = 439,857,340.24
  5. Step 5: Solve for x
    x = 439,857,340.24/22,433.41
  6. Step 6: Final answer
    x = 19,607.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.