Home / 26,422-36,462.52-14,485.36

Finding the Fourth Proportional to 26,422, 36,462.52 and 14,485.36

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Solution

The fourth proportional to 26,422, 36,462.52 and 14,485.36 is: 19,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422 : 36,462.52 = 14,485.36 : x
  2. Step 2: Convert to fraction form
    26,422/36,462.52 = 14,485.36/x
  3. Step 3: Cross multiply
    26,422x = 36,462.52 × 14,485.36
  4. Step 4: Simplify right side
    26,422x = 528,172,728.71
  5. Step 5: Solve for x
    x = 528,172,728.71/26,422
  6. Step 6: Final answer
    x = 19,989.88

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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.