Home / 28,175.00-42,255.65-9,450.18

Finding the Fourth Proportional to 28,175.00, 42,255.65 and 9,450.18

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Solution

The fourth proportional to 28,175.00, 42,255.65 and 9,450.18 is: 14,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.00 : 42,255.65 = 9,450.18 : x
  2. Step 2: Convert to fraction form
    28,175.00/42,255.65 = 9,450.18/x
  3. Step 3: Cross multiply
    28,175.00x = 42,255.65 × 9,450.18
  4. Step 4: Simplify right side
    28,175.00x = 399,323,554.99
  5. Step 5: Solve for x
    x = 399,323,554.99/28,175.00
  6. Step 6: Final answer
    x = 14,172.97

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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.