Home / 26,501.79-39,759.86-8,971.62

Finding the Fourth Proportional to 26,501.79, 39,759.86 and 8,971.62

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Solution

The fourth proportional to 26,501.79, 39,759.86 and 8,971.62 is: 13,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.79 : 39,759.86 = 8,971.62 : x
  2. Step 2: Convert to fraction form
    26,501.79/39,759.86 = 8,971.62/x
  3. Step 3: Cross multiply
    26,501.79x = 39,759.86 × 8,971.62
  4. Step 4: Simplify right side
    26,501.79x = 356,710,310.32
  5. Step 5: Solve for x
    x = 356,710,310.32/26,501.79
  6. Step 6: Final answer
    x = 13,459.86

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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.