Home / 21,529.07-32,274.46-8,378.36

Finding the Fourth Proportional to 21,529.07, 32,274.46 and 8,378.36

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Solution

The fourth proportional to 21,529.07, 32,274.46 and 8,378.36 is: 12,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.07 : 32,274.46 = 8,378.36 : x
  2. Step 2: Convert to fraction form
    21,529.07/32,274.46 = 8,378.36/x
  3. Step 3: Cross multiply
    21,529.07x = 32,274.46 × 8,378.36
  4. Step 4: Simplify right side
    21,529.07x = 270,407,044.69
  5. Step 5: Solve for x
    x = 270,407,044.69/21,529.07
  6. Step 6: Final answer
    x = 12,560.09

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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.