Home / 26,428.25-39,620.50-9,785.18

Finding the Fourth Proportional to 26,428.25, 39,620.50 and 9,785.18

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Solution

The fourth proportional to 26,428.25, 39,620.50 and 9,785.18 is: 14,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.25 : 39,620.50 = 9,785.18 : x
  2. Step 2: Convert to fraction form
    26,428.25/39,620.50 = 9,785.18/x
  3. Step 3: Cross multiply
    26,428.25x = 39,620.50 × 9,785.18
  4. Step 4: Simplify right side
    26,428.25x = 387,693,501.62
  5. Step 5: Solve for x
    x = 387,693,501.62/26,428.25
  6. Step 6: Final answer
    x = 14,669.67

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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.