Home / 21,675.68-32,515.08-7,634.24

Finding the Fourth Proportional to 21,675.68, 32,515.08 and 7,634.24

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Solution

The fourth proportional to 21,675.68, 32,515.08 and 7,634.24 is: 11,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.68 : 32,515.08 = 7,634.24 : x
  2. Step 2: Convert to fraction form
    21,675.68/32,515.08 = 7,634.24/x
  3. Step 3: Cross multiply
    21,675.68x = 32,515.08 × 7,634.24
  4. Step 4: Simplify right side
    21,675.68x = 248,227,924.34
  5. Step 5: Solve for x
    x = 248,227,924.34/21,675.68
  6. Step 6: Final answer
    x = 11,451.91

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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.