Home / 28,693.72-43,038.15-9,968.95

Finding the Fourth Proportional to 28,693.72, 43,038.15 and 9,968.95

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Solution

The fourth proportional to 28,693.72, 43,038.15 and 9,968.95 is: 14,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.72 : 43,038.15 = 9,968.95 : x
  2. Step 2: Convert to fraction form
    28,693.72/43,038.15 = 9,968.95/x
  3. Step 3: Cross multiply
    28,693.72x = 43,038.15 × 9,968.95
  4. Step 4: Simplify right side
    28,693.72x = 429,045,165.44
  5. Step 5: Solve for x
    x = 429,045,165.44/28,693.72
  6. Step 6: Final answer
    x = 14,952.58

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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.