Home / 29,227.89-40,347.27-18,631.47

Finding the Fourth Proportional to 29,227.89, 40,347.27 and 18,631.47

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Solution

The fourth proportional to 29,227.89, 40,347.27 and 18,631.47 is: 25,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,227.89 : 40,347.27 = 18,631.47 : x
  2. Step 2: Convert to fraction form
    29,227.89/40,347.27 = 18,631.47/x
  3. Step 3: Cross multiply
    29,227.89x = 40,347.27 × 18,631.47
  4. Step 4: Simplify right side
    29,227.89x = 751,728,950.59
  5. Step 5: Solve for x
    x = 751,728,950.59/29,227.89
  6. Step 6: Final answer
    x = 25,719.58

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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.