Home / 19,030.08-28,473.84-18,030

Finding the Fourth Proportional to 19,030.08, 28,473.84 and 18,030

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Solution

The fourth proportional to 19,030.08, 28,473.84 and 18,030 is: 26,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.08 : 28,473.84 = 18,030 : x
  2. Step 2: Convert to fraction form
    19,030.08/28,473.84 = 18,030/x
  3. Step 3: Cross multiply
    19,030.08x = 28,473.84 × 18,030
  4. Step 4: Simplify right side
    19,030.08x = 513,383,335.20
  5. Step 5: Solve for x
    x = 513,383,335.20/19,030.08
  6. Step 6: Final answer
    x = 26,977.47

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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.