Home / 26,045.81-39,050.91-12,529.85

Finding the Fourth Proportional to 26,045.81, 39,050.91 and 12,529.85

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Solution

The fourth proportional to 26,045.81, 39,050.91 and 12,529.85 is: 18,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,045.81 : 39,050.91 = 12,529.85 : x
  2. Step 2: Convert to fraction form
    26,045.81/39,050.91 = 12,529.85/x
  3. Step 3: Cross multiply
    26,045.81x = 39,050.91 × 12,529.85
  4. Step 4: Simplify right side
    26,045.81x = 489,301,849.41
  5. Step 5: Solve for x
    x = 489,301,849.41/26,045.81
  6. Step 6: Final answer
    x = 18,786.21

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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.