Home / 38,728.30-58,018.38-26,186.77

Finding the Fourth Proportional to 38,728.30, 58,018.38 and 26,186.77

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Solution

The fourth proportional to 38,728.30, 58,018.38 and 26,186.77 is: 39,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.30 : 58,018.38 = 26,186.77 : x
  2. Step 2: Convert to fraction form
    38,728.30/58,018.38 = 26,186.77/x
  3. Step 3: Cross multiply
    38,728.30x = 58,018.38 × 26,186.77
  4. Step 4: Simplify right side
    38,728.30x = 1,519,313,682.74
  5. Step 5: Solve for x
    x = 1,519,313,682.74/38,728.30
  6. Step 6: Final answer
    x = 39,230.07

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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.