Home / 18,030.72-27,047.02-5,559.30

Finding the Fourth Proportional to 18,030.72, 27,047.02 and 5,559.30

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Solution

The fourth proportional to 18,030.72, 27,047.02 and 5,559.30 is: 8,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.72 : 27,047.02 = 5,559.30 : x
  2. Step 2: Convert to fraction form
    18,030.72/27,047.02 = 5,559.30/x
  3. Step 3: Cross multiply
    18,030.72x = 27,047.02 × 5,559.30
  4. Step 4: Simplify right side
    18,030.72x = 150,362,498.29
  5. Step 5: Solve for x
    x = 150,362,498.29/18,030.72
  6. Step 6: Final answer
    x = 8,339.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.