Home / 21,704.21-32,566.45-7,674.87

Finding the Fourth Proportional to 21,704.21, 32,566.45 and 7,674.87

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Solution

The fourth proportional to 21,704.21, 32,566.45 and 7,674.87 is: 11,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.21 : 32,566.45 = 7,674.87 : x
  2. Step 2: Convert to fraction form
    21,704.21/32,566.45 = 7,674.87/x
  3. Step 3: Cross multiply
    21,704.21x = 32,566.45 × 7,674.87
  4. Step 4: Simplify right side
    21,704.21x = 249,943,088.09
  5. Step 5: Solve for x
    x = 249,943,088.09/21,704.21
  6. Step 6: Final answer
    x = 11,515.88

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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.