Home / 26,431.01-39,645.73-9,790.67

Finding the Fourth Proportional to 26,431.01, 39,645.73 and 9,790.67

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Solution

The fourth proportional to 26,431.01, 39,645.73 and 9,790.67 is: 14,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.01 : 39,645.73 = 9,790.67 : x
  2. Step 2: Convert to fraction form
    26,431.01/39,645.73 = 9,790.67/x
  3. Step 3: Cross multiply
    26,431.01x = 39,645.73 × 9,790.67
  4. Step 4: Simplify right side
    26,431.01x = 388,158,343.16
  5. Step 5: Solve for x
    x = 388,158,343.16/26,431.01
  6. Step 6: Final answer
    x = 14,685.72

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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.