Home / 20,599.33-28,426.77-11,646.55

Finding the Fourth Proportional to 20,599.33, 28,426.77 and 11,646.55

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Solution

The fourth proportional to 20,599.33, 28,426.77 and 11,646.55 is: 16,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.33 : 28,426.77 = 11,646.55 : x
  2. Step 2: Convert to fraction form
    20,599.33/28,426.77 = 11,646.55/x
  3. Step 3: Cross multiply
    20,599.33x = 28,426.77 × 11,646.55
  4. Step 4: Simplify right side
    20,599.33x = 331,073,798.14
  5. Step 5: Solve for x
    x = 331,073,798.14/20,599.33
  6. Step 6: Final answer
    x = 16,072.07

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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.