Home / 26,678.22-40,007.73-9,143.34

Finding the Fourth Proportional to 26,678.22, 40,007.73 and 9,143.34

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Solution

The fourth proportional to 26,678.22, 40,007.73 and 9,143.34 is: 13,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.22 : 40,007.73 = 9,143.34 : x
  2. Step 2: Convert to fraction form
    26,678.22/40,007.73 = 9,143.34/x
  3. Step 3: Cross multiply
    26,678.22x = 40,007.73 × 9,143.34
  4. Step 4: Simplify right side
    26,678.22x = 365,804,278.02
  5. Step 5: Solve for x
    x = 365,804,278.02/26,678.22
  6. Step 6: Final answer
    x = 13,711.72

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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.