Home / 28,935.33-39,931.89-16,998.56

Finding the Fourth Proportional to 28,935.33, 39,931.89 and 16,998.56

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Solution

The fourth proportional to 28,935.33, 39,931.89 and 16,998.56 is: 23,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.33 : 39,931.89 = 16,998.56 : x
  2. Step 2: Convert to fraction form
    28,935.33/39,931.89 = 16,998.56/x
  3. Step 3: Cross multiply
    28,935.33x = 39,931.89 × 16,998.56
  4. Step 4: Simplify right side
    28,935.33x = 678,784,514.42
  5. Step 5: Solve for x
    x = 678,784,514.42/28,935.33
  6. Step 6: Final answer
    x = 23,458.68

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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.