Home / 28,795.10-39,736.01-16,047.60

Finding the Fourth Proportional to 28,795.10, 39,736.01 and 16,047.60

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Solution

The fourth proportional to 28,795.10, 39,736.01 and 16,047.60 is: 22,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.10 : 39,736.01 = 16,047.60 : x
  2. Step 2: Convert to fraction form
    28,795.10/39,736.01 = 16,047.60/x
  3. Step 3: Cross multiply
    28,795.10x = 39,736.01 × 16,047.60
  4. Step 4: Simplify right side
    28,795.10x = 637,667,513.84
  5. Step 5: Solve for x
    x = 637,667,513.84/28,795.10
  6. Step 6: Final answer
    x = 22,145.00

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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.