Home / 26,228.63-39,314.31-12,910.79

Finding the Fourth Proportional to 26,228.63, 39,314.31 and 12,910.79

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Solution

The fourth proportional to 26,228.63, 39,314.31 and 12,910.79 is: 19,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.63 : 39,314.31 = 12,910.79 : x
  2. Step 2: Convert to fraction form
    26,228.63/39,314.31 = 12,910.79/x
  3. Step 3: Cross multiply
    26,228.63x = 39,314.31 × 12,910.79
  4. Step 4: Simplify right side
    26,228.63x = 507,578,603.83
  5. Step 5: Solve for x
    x = 507,578,603.83/26,228.63
  6. Step 6: Final answer
    x = 19,352.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.