Home / 18,559.36-27,966.37-15,344.47

Finding the Fourth Proportional to 18,559.36, 27,966.37 and 15,344.47

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Solution

The fourth proportional to 18,559.36, 27,966.37 and 15,344.47 is: 23,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.36 : 27,966.37 = 15,344.47 : x
  2. Step 2: Convert to fraction form
    18,559.36/27,966.37 = 15,344.47/x
  3. Step 3: Cross multiply
    18,559.36x = 27,966.37 × 15,344.47
  4. Step 4: Simplify right side
    18,559.36x = 429,129,194.00
  5. Step 5: Solve for x
    x = 429,129,194.00/18,559.36
  6. Step 6: Final answer
    x = 23,121.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.