Home / 26,442.78-39,664.98-13,295.67

Finding the Fourth Proportional to 26,442.78, 39,664.98 and 13,295.67

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Solution

The fourth proportional to 26,442.78, 39,664.98 and 13,295.67 is: 19,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.78 : 39,664.98 = 13,295.67 : x
  2. Step 2: Convert to fraction form
    26,442.78/39,664.98 = 13,295.67/x
  3. Step 3: Cross multiply
    26,442.78x = 39,664.98 × 13,295.67
  4. Step 4: Simplify right side
    26,442.78x = 527,372,484.64
  5. Step 5: Solve for x
    x = 527,372,484.64/26,442.78
  6. Step 6: Final answer
    x = 19,943.91

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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.