Home / 20,682.02-31,003.58-10,827.77

Finding the Fourth Proportional to 20,682.02, 31,003.58 and 10,827.77

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Solution

The fourth proportional to 20,682.02, 31,003.58 and 10,827.77 is: 16,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.02 : 31,003.58 = 10,827.77 : x
  2. Step 2: Convert to fraction form
    20,682.02/31,003.58 = 10,827.77/x
  3. Step 3: Cross multiply
    20,682.02x = 31,003.58 × 10,827.77
  4. Step 4: Simplify right side
    20,682.02x = 335,699,424.26
  5. Step 5: Solve for x
    x = 335,699,424.26/20,682.02
  6. Step 6: Final answer
    x = 16,231.47

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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.