Home / 28,905.33-39,895.79-17,572.42

Finding the Fourth Proportional to 28,905.33, 39,895.79 and 17,572.42

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Solution

The fourth proportional to 28,905.33, 39,895.79 and 17,572.42 is: 24,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.33 : 39,895.79 = 17,572.42 : x
  2. Step 2: Convert to fraction form
    28,905.33/39,895.79 = 17,572.42/x
  3. Step 3: Cross multiply
    28,905.33x = 39,895.79 × 17,572.42
  4. Step 4: Simplify right side
    28,905.33x = 701,065,589.99
  5. Step 5: Solve for x
    x = 701,065,589.99/28,905.33
  6. Step 6: Final answer
    x = 24,253.85

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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.