Home / 26,420.45-39,630.74-8,902.58

Finding the Fourth Proportional to 26,420.45, 39,630.74 and 8,902.58

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Solution

The fourth proportional to 26,420.45, 39,630.74 and 8,902.58 is: 13,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.45 : 39,630.74 = 8,902.58 : x
  2. Step 2: Convert to fraction form
    26,420.45/39,630.74 = 8,902.58/x
  3. Step 3: Cross multiply
    26,420.45x = 39,630.74 × 8,902.58
  4. Step 4: Simplify right side
    26,420.45x = 352,815,590.64
  5. Step 5: Solve for x
    x = 352,815,590.64/26,420.45
  6. Step 6: Final answer
    x = 13,353.89

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1.5x scale

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.