Home / 26,266.40-39,406.90-14,587.82

Finding the Fourth Proportional to 26,266.40, 39,406.90 and 14,587.82

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Solution

The fourth proportional to 26,266.40, 39,406.90 and 14,587.82 is: 21,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.40 : 39,406.90 = 14,587.82 : x
  2. Step 2: Convert to fraction form
    26,266.40/39,406.90 = 14,587.82/x
  3. Step 3: Cross multiply
    26,266.40x = 39,406.90 × 14,587.82
  4. Step 4: Simplify right side
    26,266.40x = 574,860,763.96
  5. Step 5: Solve for x
    x = 574,860,763.96/26,266.40
  6. Step 6: Final answer
    x = 21,885.78

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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.