Home / 26,678.58-40,019.90-7,957.15

Finding the Fourth Proportional to 26,678.58, 40,019.90 and 7,957.15

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Solution

The fourth proportional to 26,678.58, 40,019.90 and 7,957.15 is: 11,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.58 : 40,019.90 = 7,957.15 : x
  2. Step 2: Convert to fraction form
    26,678.58/40,019.90 = 7,957.15/x
  3. Step 3: Cross multiply
    26,678.58x = 40,019.90 × 7,957.15
  4. Step 4: Simplify right side
    26,678.58x = 318,444,347.29
  5. Step 5: Solve for x
    x = 318,444,347.29/26,678.58
  6. Step 6: Final answer
    x = 11,936.33

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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.