Home / 28,892.42-39,873.39-16,145.64

Finding the Fourth Proportional to 28,892.42, 39,873.39 and 16,145.64

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Solution

The fourth proportional to 28,892.42, 39,873.39 and 16,145.64 is: 22,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.42 : 39,873.39 = 16,145.64 : x
  2. Step 2: Convert to fraction form
    28,892.42/39,873.39 = 16,145.64/x
  3. Step 3: Cross multiply
    28,892.42x = 39,873.39 × 16,145.64
  4. Step 4: Simplify right side
    28,892.42x = 643,781,400.52
  5. Step 5: Solve for x
    x = 643,781,400.52/28,892.42
  6. Step 6: Final answer
    x = 22,282.02

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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.