Home / 26,408.81-36,444.17-15,230.81

Finding the Fourth Proportional to 26,408.81, 36,444.17 and 15,230.81

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Solution

The fourth proportional to 26,408.81, 36,444.17 and 15,230.81 is: 21,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.81 : 36,444.17 = 15,230.81 : x
  2. Step 2: Convert to fraction form
    26,408.81/36,444.17 = 15,230.81/x
  3. Step 3: Cross multiply
    26,408.81x = 36,444.17 × 15,230.81
  4. Step 4: Simplify right side
    26,408.81x = 555,074,243.83
  5. Step 5: Solve for x
    x = 555,074,243.83/26,408.81
  6. Step 6: Final answer
    x = 21,018.52

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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.