Home / 28,429.07-39,231.68-16,494.46

Finding the Fourth Proportional to 28,429.07, 39,231.68 and 16,494.46

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Solution

The fourth proportional to 28,429.07, 39,231.68 and 16,494.46 is: 22,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.07 : 39,231.68 = 16,494.46 : x
  2. Step 2: Convert to fraction form
    28,429.07/39,231.68 = 16,494.46/x
  3. Step 3: Cross multiply
    28,429.07x = 39,231.68 × 16,494.46
  4. Step 4: Simplify right side
    28,429.07x = 647,105,195.94
  5. Step 5: Solve for x
    x = 647,105,195.94/28,429.07
  6. Step 6: Final answer
    x = 22,762.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.