Home / 26,765.40-36,935.27-15,435.37

Finding the Fourth Proportional to 26,765.40, 36,935.27 and 15,435.37

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Solution

The fourth proportional to 26,765.40, 36,935.27 and 15,435.37 is: 21,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.40 : 36,935.27 = 15,435.37 : x
  2. Step 2: Convert to fraction form
    26,765.40/36,935.27 = 15,435.37/x
  3. Step 3: Cross multiply
    26,765.40x = 36,935.27 × 15,435.37
  4. Step 4: Simplify right side
    26,765.40x = 570,109,438.08
  5. Step 5: Solve for x
    x = 570,109,438.08/26,765.40
  6. Step 6: Final answer
    x = 21,300.24

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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.