Home / 19,050.38-28,580.10-7,950.90

Finding the Fourth Proportional to 19,050.38, 28,580.10 and 7,950.90

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Solution

The fourth proportional to 19,050.38, 28,580.10 and 7,950.90 is: 11,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.38 : 28,580.10 = 7,950.90 : x
  2. Step 2: Convert to fraction form
    19,050.38/28,580.10 = 7,950.90/x
  3. Step 3: Cross multiply
    19,050.38x = 28,580.10 × 7,950.90
  4. Step 4: Simplify right side
    19,050.38x = 227,237,517.09
  5. Step 5: Solve for x
    x = 227,237,517.09/19,050.38
  6. Step 6: Final answer
    x = 11,928.24

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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.