Home / 19,316.37-28,958.11-18,758.69

Finding the Fourth Proportional to 19,316.37, 28,958.11 and 18,758.69

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Solution

The fourth proportional to 19,316.37, 28,958.11 and 18,758.69 is: 28,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.37 : 28,958.11 = 18,758.69 : x
  2. Step 2: Convert to fraction form
    19,316.37/28,958.11 = 18,758.69/x
  3. Step 3: Cross multiply
    19,316.37x = 28,958.11 × 18,758.69
  4. Step 4: Simplify right side
    19,316.37x = 543,216,125.38
  5. Step 5: Solve for x
    x = 543,216,125.38/19,316.37
  6. Step 6: Final answer
    x = 28,122.06

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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.