Home / 21,658.28-32,488.38-6,075.56

Finding the Fourth Proportional to 21,658.28, 32,488.38 and 6,075.56

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Solution

The fourth proportional to 21,658.28, 32,488.38 and 6,075.56 is: 9,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.28 : 32,488.38 = 6,075.56 : x
  2. Step 2: Convert to fraction form
    21,658.28/32,488.38 = 6,075.56/x
  3. Step 3: Cross multiply
    21,658.28x = 32,488.38 × 6,075.56
  4. Step 4: Simplify right side
    21,658.28x = 197,385,101.99
  5. Step 5: Solve for x
    x = 197,385,101.99/21,658.28
  6. Step 6: Final answer
    x = 9,113.61

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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.