Home / 15,075-22,638.42-13,701.24

Finding the Fourth Proportional to 15,075, 22,638.42 and 13,701.24

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Solution

The fourth proportional to 15,075, 22,638.42 and 13,701.24 is: 20,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075 : 22,638.42 = 13,701.24 : x
  2. Step 2: Convert to fraction form
    15,075/22,638.42 = 13,701.24/x
  3. Step 3: Cross multiply
    15,075x = 22,638.42 × 13,701.24
  4. Step 4: Simplify right side
    15,075x = 310,174,425.64
  5. Step 5: Solve for x
    x = 310,174,425.64/15,075
  6. Step 6: Final answer
    x = 20,575.42

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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.