Home / 26,679.09-40,020.63-7,957.65

Finding the Fourth Proportional to 26,679.09, 40,020.63 and 7,957.65

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Solution

The fourth proportional to 26,679.09, 40,020.63 and 7,957.65 is: 11,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.09 : 40,020.63 = 7,957.65 : x
  2. Step 2: Convert to fraction form
    26,679.09/40,020.63 = 7,957.65/x
  3. Step 3: Cross multiply
    26,679.09x = 40,020.63 × 7,957.65
  4. Step 4: Simplify right side
    26,679.09x = 318,470,166.32
  5. Step 5: Solve for x
    x = 318,470,166.32/26,679.09
  6. Step 6: Final answer
    x = 11,937.07

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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.