Home / 26,293.47-36,286.47-15,683.79

Finding the Fourth Proportional to 26,293.47, 36,286.47 and 15,683.79

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Solution

The fourth proportional to 26,293.47, 36,286.47 and 15,683.79 is: 21,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,293.47 : 36,286.47 = 15,683.79 : x
  2. Step 2: Convert to fraction form
    26,293.47/36,286.47 = 15,683.79/x
  3. Step 3: Cross multiply
    26,293.47x = 36,286.47 × 15,683.79
  4. Step 4: Simplify right side
    26,293.47x = 569,109,375.32
  5. Step 5: Solve for x
    x = 569,109,375.32/26,293.47
  6. Step 6: Final answer
    x = 21,644.51

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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.