Home / 20,565.99-30,861.27-18,892.93

Finding the Fourth Proportional to 20,565.99, 30,861.27 and 18,892.93

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Solution

The fourth proportional to 20,565.99, 30,861.27 and 18,892.93 is: 28,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.99 : 30,861.27 = 18,892.93 : x
  2. Step 2: Convert to fraction form
    20,565.99/30,861.27 = 18,892.93/x
  3. Step 3: Cross multiply
    20,565.99x = 30,861.27 × 18,892.93
  4. Step 4: Simplify right side
    20,565.99x = 583,059,813.82
  5. Step 5: Solve for x
    x = 583,059,813.82/20,565.99
  6. Step 6: Final answer
    x = 28,350.68

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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.