Home / 26,228.90-39,357.76-12,377.54

Finding the Fourth Proportional to 26,228.90, 39,357.76 and 12,377.54

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Solution

The fourth proportional to 26,228.90, 39,357.76 and 12,377.54 is: 18,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.90 : 39,357.76 = 12,377.54 : x
  2. Step 2: Convert to fraction form
    26,228.90/39,357.76 = 12,377.54/x
  3. Step 3: Cross multiply
    26,228.90x = 39,357.76 × 12,377.54
  4. Step 4: Simplify right side
    26,228.90x = 487,152,248.71
  5. Step 5: Solve for x
    x = 487,152,248.71/26,228.90
  6. Step 6: Final answer
    x = 18,573.11

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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.