Home / 28,029.42-38,675.76-18,958.83

Finding the Fourth Proportional to 28,029.42, 38,675.76 and 18,958.83

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Solution

The fourth proportional to 28,029.42, 38,675.76 and 18,958.83 is: 26,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.42 : 38,675.76 = 18,958.83 : x
  2. Step 2: Convert to fraction form
    28,029.42/38,675.76 = 18,958.83/x
  3. Step 3: Cross multiply
    28,029.42x = 38,675.76 × 18,958.83
  4. Step 4: Simplify right side
    28,029.42x = 733,247,158.96
  5. Step 5: Solve for x
    x = 733,247,158.96/28,029.42
  6. Step 6: Final answer
    x = 26,159.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.