Home / 27,684.14-38,216.48-18,758.75

Finding the Fourth Proportional to 27,684.14, 38,216.48 and 18,758.75

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Solution

The fourth proportional to 27,684.14, 38,216.48 and 18,758.75 is: 25,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.14 : 38,216.48 = 18,758.75 : x
  2. Step 2: Convert to fraction form
    27,684.14/38,216.48 = 18,758.75/x
  3. Step 3: Cross multiply
    27,684.14x = 38,216.48 × 18,758.75
  4. Step 4: Simplify right side
    27,684.14x = 716,893,109.32
  5. Step 5: Solve for x
    x = 716,893,109.32/27,684.14
  6. Step 6: Final answer
    x = 25,895.45

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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.