Home / 21,389.62-32,075.24-7,351.06

Finding the Fourth Proportional to 21,389.62, 32,075.24 and 7,351.06

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Solution

The fourth proportional to 21,389.62, 32,075.24 and 7,351.06 is: 11,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.62 : 32,075.24 = 7,351.06 : x
  2. Step 2: Convert to fraction form
    21,389.62/32,075.24 = 7,351.06/x
  3. Step 3: Cross multiply
    21,389.62x = 32,075.24 × 7,351.06
  4. Step 4: Simplify right side
    21,389.62x = 235,787,013.75
  5. Step 5: Solve for x
    x = 235,787,013.75/21,389.62
  6. Step 6: Final answer
    x = 11,023.43

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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.