Home / 29,357.41-40,513.39-15,928.69

Finding the Fourth Proportional to 29,357.41, 40,513.39 and 15,928.69

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Solution

The fourth proportional to 29,357.41, 40,513.39 and 15,928.69 is: 21,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.41 : 40,513.39 = 15,928.69 : x
  2. Step 2: Convert to fraction form
    29,357.41/40,513.39 = 15,928.69/x
  3. Step 3: Cross multiply
    29,357.41x = 40,513.39 × 15,928.69
  4. Step 4: Simplify right side
    29,357.41x = 645,325,230.16
  5. Step 5: Solve for x
    x = 645,325,230.16/29,357.41
  6. Step 6: Final answer
    x = 21,981.68

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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.