Home / 28,171.32-42,250.06-9,450.93

Finding the Fourth Proportional to 28,171.32, 42,250.06 and 9,450.93

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Solution

The fourth proportional to 28,171.32, 42,250.06 and 9,450.93 is: 14,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.32 : 42,250.06 = 9,450.93 : x
  2. Step 2: Convert to fraction form
    28,171.32/42,250.06 = 9,450.93/x
  3. Step 3: Cross multiply
    28,171.32x = 42,250.06 × 9,450.93
  4. Step 4: Simplify right side
    28,171.32x = 399,302,476.65
  5. Step 5: Solve for x
    x = 399,302,476.65/28,171.32
  6. Step 6: Final answer
    x = 14,174.08

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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.