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Finding the Fourth Proportional to 26,018, 38,995.84 and 13,354.76

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Solution

The fourth proportional to 26,018, 38,995.84 and 13,354.76 is: 20,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018 : 38,995.84 = 13,354.76 : x
  2. Step 2: Convert to fraction form
    26,018/38,995.84 = 13,354.76/x
  3. Step 3: Cross multiply
    26,018x = 38,995.84 × 13,354.76
  4. Step 4: Simplify right side
    26,018x = 520,780,084.20
  5. Step 5: Solve for x
    x = 520,780,084.20/26,018
  6. Step 6: Final answer
    x = 20,016.15

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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.