Home / 29,177.28-40,250.88-21,216

Finding the Fourth Proportional to 29,177.28, 40,250.88 and 21,216

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Solution

The fourth proportional to 29,177.28, 40,250.88 and 21,216 is: 29,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177.28 : 40,250.88 = 21,216 : x
  2. Step 2: Convert to fraction form
    29,177.28/40,250.88 = 21,216/x
  3. Step 3: Cross multiply
    29,177.28x = 40,250.88 × 21,216
  4. Step 4: Simplify right side
    29,177.28x = 853,962,670.08
  5. Step 5: Solve for x
    x = 853,962,670.08/29,177.28
  6. Step 6: Final answer
    x = 29,268.07

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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.