Home / 26,408.31-36,443.47-15,230.31

Finding the Fourth Proportional to 26,408.31, 36,443.47 and 15,230.31

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Solution

The fourth proportional to 26,408.31, 36,443.47 and 15,230.31 is: 21,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.31 : 36,443.47 = 15,230.31 : x
  2. Step 2: Convert to fraction form
    26,408.31/36,443.47 = 15,230.31/x
  3. Step 3: Cross multiply
    26,408.31x = 36,443.47 × 15,230.31
  4. Step 4: Simplify right side
    26,408.31x = 555,045,345.58
  5. Step 5: Solve for x
    x = 555,045,345.58/26,408.31
  6. Step 6: Final answer
    x = 21,017.83

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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.