Home / 28,670.88-43,029.90-14,641.14

Finding the Fourth Proportional to 28,670.88, 43,029.90 and 14,641.14

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Solution

The fourth proportional to 28,670.88, 43,029.90 and 14,641.14 is: 21,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.88 : 43,029.90 = 14,641.14 : x
  2. Step 2: Convert to fraction form
    28,670.88/43,029.90 = 14,641.14/x
  3. Step 3: Cross multiply
    28,670.88x = 43,029.90 × 14,641.14
  4. Step 4: Simplify right side
    28,670.88x = 630,006,790.09
  5. Step 5: Solve for x
    x = 630,006,790.09/28,670.88
  6. Step 6: Final answer
    x = 21,973.75

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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.