Home / 22,794.66-31,471.08-15,636.57

Finding the Fourth Proportional to 22,794.66, 31,471.08 and 15,636.57

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Solution

The fourth proportional to 22,794.66, 31,471.08 and 15,636.57 is: 21,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.66 : 31,471.08 = 15,636.57 : x
  2. Step 2: Convert to fraction form
    22,794.66/31,471.08 = 15,636.57/x
  3. Step 3: Cross multiply
    22,794.66x = 31,471.08 × 15,636.57
  4. Step 4: Simplify right side
    22,794.66x = 492,099,568.74
  5. Step 5: Solve for x
    x = 492,099,568.74/22,794.66
  6. Step 6: Final answer
    x = 21,588.37

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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.