Home / 28,858.66-39,825.24-16,283.68

Finding the Fourth Proportional to 28,858.66, 39,825.24 and 16,283.68

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Solution

The fourth proportional to 28,858.66, 39,825.24 and 16,283.68 is: 22,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.66 : 39,825.24 = 16,283.68 : x
  2. Step 2: Convert to fraction form
    28,858.66/39,825.24 = 16,283.68/x
  3. Step 3: Cross multiply
    28,858.66x = 39,825.24 × 16,283.68
  4. Step 4: Simplify right side
    28,858.66x = 648,501,464.08
  5. Step 5: Solve for x
    x = 648,501,464.08/28,858.66
  6. Step 6: Final answer
    x = 22,471.64

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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.