Home / 26,422-36,462.36-15,813.16

Finding the Fourth Proportional to 26,422, 36,462.36 and 15,813.16

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Solution

The fourth proportional to 26,422, 36,462.36 and 15,813.16 is: 21,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422 : 36,462.36 = 15,813.16 : x
  2. Step 2: Convert to fraction form
    26,422/36,462.36 = 15,813.16/x
  3. Step 3: Cross multiply
    26,422x = 36,462.36 × 15,813.16
  4. Step 4: Simplify right side
    26,422x = 576,585,132.66
  5. Step 5: Solve for x
    x = 576,585,132.66/26,422
  6. Step 6: Final answer
    x = 21,822.16

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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.