Home / 21,384.80-32,075.14-6,589.75

Finding the Fourth Proportional to 21,384.80, 32,075.14 and 6,589.75

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Solution

The fourth proportional to 21,384.80, 32,075.14 and 6,589.75 is: 9,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384.80 : 32,075.14 = 6,589.75 : x
  2. Step 2: Convert to fraction form
    21,384.80/32,075.14 = 6,589.75/x
  3. Step 3: Cross multiply
    21,384.80x = 32,075.14 × 6,589.75
  4. Step 4: Simplify right side
    21,384.80x = 211,367,073.63
  5. Step 5: Solve for x
    x = 211,367,073.63/21,384.80
  6. Step 6: Final answer
    x = 9,883.99

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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.