Home / 28,585.37-42,892.68-13,609.42

Finding the Fourth Proportional to 28,585.37, 42,892.68 and 13,609.42

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Solution

The fourth proportional to 28,585.37, 42,892.68 and 13,609.42 is: 20,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.37 : 42,892.68 = 13,609.42 : x
  2. Step 2: Convert to fraction form
    28,585.37/42,892.68 = 13,609.42/x
  3. Step 3: Cross multiply
    28,585.37x = 42,892.68 × 13,609.42
  4. Step 4: Simplify right side
    28,585.37x = 583,744,497.05
  5. Step 5: Solve for x
    x = 583,744,497.05/28,585.37
  6. Step 6: Final answer
    x = 20,421.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.