Home / 26,509.01-39,763.69-7,788.97

Finding the Fourth Proportional to 26,509.01, 39,763.69 and 7,788.97

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Solution

The fourth proportional to 26,509.01, 39,763.69 and 7,788.97 is: 11,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.01 : 39,763.69 = 7,788.97 : x
  2. Step 2: Convert to fraction form
    26,509.01/39,763.69 = 7,788.97/x
  3. Step 3: Cross multiply
    26,509.01x = 39,763.69 × 7,788.97
  4. Step 4: Simplify right side
    26,509.01x = 309,718,188.50
  5. Step 5: Solve for x
    x = 309,718,188.50/26,509.01
  6. Step 6: Final answer
    x = 11,683.51

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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.