Home / 21,715.51-32,578.57-6,924.43

Finding the Fourth Proportional to 21,715.51, 32,578.57 and 6,924.43

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Solution

The fourth proportional to 21,715.51, 32,578.57 and 6,924.43 is: 10,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.51 : 32,578.57 = 6,924.43 : x
  2. Step 2: Convert to fraction form
    21,715.51/32,578.57 = 6,924.43/x
  3. Step 3: Cross multiply
    21,715.51x = 32,578.57 × 6,924.43
  4. Step 4: Simplify right side
    21,715.51x = 225,588,027.47
  5. Step 5: Solve for x
    x = 225,588,027.47/21,715.51
  6. Step 6: Final answer
    x = 10,388.34

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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.