Home / 27,803.09-38,368.43-15,227.84

Finding the Fourth Proportional to 27,803.09, 38,368.43 and 15,227.84

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Solution

The fourth proportional to 27,803.09, 38,368.43 and 15,227.84 is: 21,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.09 : 38,368.43 = 15,227.84 : x
  2. Step 2: Convert to fraction form
    27,803.09/38,368.43 = 15,227.84/x
  3. Step 3: Cross multiply
    27,803.09x = 38,368.43 × 15,227.84
  4. Step 4: Simplify right side
    27,803.09x = 584,268,236.95
  5. Step 5: Solve for x
    x = 584,268,236.95/27,803.09
  6. Step 6: Final answer
    x = 21,014.51

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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.