Home / 26,443.98-39,666.10-8,913.96

Finding the Fourth Proportional to 26,443.98, 39,666.10 and 8,913.96

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Solution

The fourth proportional to 26,443.98, 39,666.10 and 8,913.96 is: 13,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.98 : 39,666.10 = 8,913.96 : x
  2. Step 2: Convert to fraction form
    26,443.98/39,666.10 = 8,913.96/x
  3. Step 3: Cross multiply
    26,443.98x = 39,666.10 × 8,913.96
  4. Step 4: Simplify right side
    26,443.98x = 353,582,028.76
  5. Step 5: Solve for x
    x = 353,582,028.76/26,443.98
  6. Step 6: Final answer
    x = 13,370.98

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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.