Home / 28,436.23-42,661.90-9,716.23

Finding the Fourth Proportional to 28,436.23, 42,661.90 and 9,716.23

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Solution

The fourth proportional to 28,436.23, 42,661.90 and 9,716.23 is: 14,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.23 : 42,661.90 = 9,716.23 : x
  2. Step 2: Convert to fraction form
    28,436.23/42,661.90 = 9,716.23/x
  3. Step 3: Cross multiply
    28,436.23x = 42,661.90 × 9,716.23
  4. Step 4: Simplify right side
    28,436.23x = 414,512,832.64
  5. Step 5: Solve for x
    x = 414,512,832.64/28,436.23
  6. Step 6: Final answer
    x = 14,576.93

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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.