Home / 27,917.19-38,525.70-15,170.32

Finding the Fourth Proportional to 27,917.19, 38,525.70 and 15,170.32

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Solution

The fourth proportional to 27,917.19, 38,525.70 and 15,170.32 is: 20,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.19 : 38,525.70 = 15,170.32 : x
  2. Step 2: Convert to fraction form
    27,917.19/38,525.70 = 15,170.32/x
  3. Step 3: Cross multiply
    27,917.19x = 38,525.70 × 15,170.32
  4. Step 4: Simplify right side
    27,917.19x = 584,447,259.60
  5. Step 5: Solve for x
    x = 584,447,259.60/27,917.19
  6. Step 6: Final answer
    x = 20,935.03

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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.