Home / 26,679.08-40,020.64-7,957.66

Finding the Fourth Proportional to 26,679.08, 40,020.64 and 7,957.66

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Solution

The fourth proportional to 26,679.08, 40,020.64 and 7,957.66 is: 11,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.08 : 40,020.64 = 7,957.66 : x
  2. Step 2: Convert to fraction form
    26,679.08/40,020.64 = 7,957.66/x
  3. Step 3: Cross multiply
    26,679.08x = 40,020.64 × 7,957.66
  4. Step 4: Simplify right side
    26,679.08x = 318,470,646.10
  5. Step 5: Solve for x
    x = 318,470,646.10/26,679.08
  6. Step 6: Final answer
    x = 11,937.09

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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.