Home / 38,143.86-57,228.24-18,424.68

Finding the Fourth Proportional to 38,143.86, 57,228.24 and 18,424.68

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Solution

The fourth proportional to 38,143.86, 57,228.24 and 18,424.68 is: 27,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.86 : 57,228.24 = 18,424.68 : x
  2. Step 2: Convert to fraction form
    38,143.86/57,228.24 = 18,424.68/x
  3. Step 3: Cross multiply
    38,143.86x = 57,228.24 × 18,424.68
  4. Step 4: Simplify right side
    38,143.86x = 1,054,412,008.96
  5. Step 5: Solve for x
    x = 1,054,412,008.96/38,143.86
  6. Step 6: Final answer
    x = 27,643.03

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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.