Home / 29,240.27-40,351.54-15,811.49

Finding the Fourth Proportional to 29,240.27, 40,351.54 and 15,811.49

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Solution

The fourth proportional to 29,240.27, 40,351.54 and 15,811.49 is: 21,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.27 : 40,351.54 = 15,811.49 : x
  2. Step 2: Convert to fraction form
    29,240.27/40,351.54 = 15,811.49/x
  3. Step 3: Cross multiply
    29,240.27x = 40,351.54 × 15,811.49
  4. Step 4: Simplify right side
    29,240.27x = 638,017,940.52
  5. Step 5: Solve for x
    x = 638,017,940.52/29,240.27
  6. Step 6: Final answer
    x = 21,819.84

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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.