Home / 28,683.99-39,580.38-16,738.65

Finding the Fourth Proportional to 28,683.99, 39,580.38 and 16,738.65

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Solution

The fourth proportional to 28,683.99, 39,580.38 and 16,738.65 is: 23,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.99 : 39,580.38 = 16,738.65 : x
  2. Step 2: Convert to fraction form
    28,683.99/39,580.38 = 16,738.65/x
  3. Step 3: Cross multiply
    28,683.99x = 39,580.38 × 16,738.65
  4. Step 4: Simplify right side
    28,683.99x = 662,522,127.69
  5. Step 5: Solve for x
    x = 662,522,127.69/28,683.99
  6. Step 6: Final answer
    x = 23,097.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.