Home / 27,940.95-38,559.15-15,194.79

Finding the Fourth Proportional to 27,940.95, 38,559.15 and 15,194.79

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Solution

The fourth proportional to 27,940.95, 38,559.15 and 15,194.79 is: 20,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.95 : 38,559.15 = 15,194.79 : x
  2. Step 2: Convert to fraction form
    27,940.95/38,559.15 = 15,194.79/x
  3. Step 3: Cross multiply
    27,940.95x = 38,559.15 × 15,194.79
  4. Step 4: Simplify right side
    27,940.95x = 585,898,186.83
  5. Step 5: Solve for x
    x = 585,898,186.83/27,940.95
  6. Step 6: Final answer
    x = 20,969.16

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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.