Home / 28,988.10-43,514.55-22,443.30

Finding the Fourth Proportional to 28,988.10, 43,514.55 and 22,443.30

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Solution

The fourth proportional to 28,988.10, 43,514.55 and 22,443.30 is: 33,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.10 : 43,514.55 = 22,443.30 : x
  2. Step 2: Convert to fraction form
    28,988.10/43,514.55 = 22,443.30/x
  3. Step 3: Cross multiply
    28,988.10x = 43,514.55 × 22,443.30
  4. Step 4: Simplify right side
    28,988.10x = 976,610,100.02
  5. Step 5: Solve for x
    x = 976,610,100.02/28,988.10
  6. Step 6: Final answer
    x = 33,690.03

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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.