Home / 26,477.70-39,720.24-7,759.06

Finding the Fourth Proportional to 26,477.70, 39,720.24 and 7,759.06

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Solution

The fourth proportional to 26,477.70, 39,720.24 and 7,759.06 is: 11,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.70 : 39,720.24 = 7,759.06 : x
  2. Step 2: Convert to fraction form
    26,477.70/39,720.24 = 7,759.06/x
  3. Step 3: Cross multiply
    26,477.70x = 39,720.24 × 7,759.06
  4. Step 4: Simplify right side
    26,477.70x = 308,191,725.37
  5. Step 5: Solve for x
    x = 308,191,725.37/26,477.70
  6. Step 6: Final answer
    x = 11,639.67

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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.