Home / 20,041.86-27,645.68-13,235.92

Finding the Fourth Proportional to 20,041.86, 27,645.68 and 13,235.92

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Solution

The fourth proportional to 20,041.86, 27,645.68 and 13,235.92 is: 18,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.86 : 27,645.68 = 13,235.92 : x
  2. Step 2: Convert to fraction form
    20,041.86/27,645.68 = 13,235.92/x
  3. Step 3: Cross multiply
    20,041.86x = 27,645.68 × 13,235.92
  4. Step 4: Simplify right side
    20,041.86x = 365,916,008.83
  5. Step 5: Solve for x
    x = 365,916,008.83/20,041.86
  6. Step 6: Final answer
    x = 18,257.59

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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.