Home / 20,595.42-28,425.78-11,642.94

Finding the Fourth Proportional to 20,595.42, 28,425.78 and 11,642.94

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Solution

The fourth proportional to 20,595.42, 28,425.78 and 11,642.94 is: 16,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.42 : 28,425.78 = 11,642.94 : x
  2. Step 2: Convert to fraction form
    20,595.42/28,425.78 = 11,642.94/x
  3. Step 3: Cross multiply
    20,595.42x = 28,425.78 × 11,642.94
  4. Step 4: Simplify right side
    20,595.42x = 330,959,650.99
  5. Step 5: Solve for x
    x = 330,959,650.99/20,595.42
  6. Step 6: Final answer
    x = 16,069.58

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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.