Home / 28,794.40-39,735.54-16,047.64

Finding the Fourth Proportional to 28,794.40, 39,735.54 and 16,047.64

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Solution

The fourth proportional to 28,794.40, 39,735.54 and 16,047.64 is: 22,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.40 : 39,735.54 = 16,047.64 : x
  2. Step 2: Convert to fraction form
    28,794.40/39,735.54 = 16,047.64/x
  3. Step 3: Cross multiply
    28,794.40x = 39,735.54 × 16,047.64
  4. Step 4: Simplify right side
    28,794.40x = 637,661,641.13
  5. Step 5: Solve for x
    x = 637,661,641.13/28,794.40
  6. Step 6: Final answer
    x = 22,145.34

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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.