Home / 27,813.09-38,383.02-15,237.84

Finding the Fourth Proportional to 27,813.09, 38,383.02 and 15,237.84

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Solution

The fourth proportional to 27,813.09, 38,383.02 and 15,237.84 is: 21,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.09 : 38,383.02 = 15,237.84 : x
  2. Step 2: Convert to fraction form
    27,813.09/38,383.02 = 15,237.84/x
  3. Step 3: Cross multiply
    27,813.09x = 38,383.02 × 15,237.84
  4. Step 4: Simplify right side
    27,813.09x = 584,874,317.48
  5. Step 5: Solve for x
    x = 584,874,317.48/27,813.09
  6. Step 6: Final answer
    x = 21,028.74

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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.