Home / 28,016.00-38,661.09-15,268.93

Finding the Fourth Proportional to 28,016.00, 38,661.09 and 15,268.93

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Solution

The fourth proportional to 28,016.00, 38,661.09 and 15,268.93 is: 21,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.00 : 38,661.09 = 15,268.93 : x
  2. Step 2: Convert to fraction form
    28,016.00/38,661.09 = 15,268.93/x
  3. Step 3: Cross multiply
    28,016.00x = 38,661.09 × 15,268.93
  4. Step 4: Simplify right side
    28,016.00x = 590,313,669.32
  5. Step 5: Solve for x
    x = 590,313,669.32/28,016.00
  6. Step 6: Final answer
    x = 21,070.59

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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.