Home / 28,726.56-43,089.76-7,950

Finding the Fourth Proportional to 28,726.56, 43,089.76 and 7,950

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Solution

The fourth proportional to 28,726.56, 43,089.76 and 7,950 is: 11,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.56 : 43,089.76 = 7,950 : x
  2. Step 2: Convert to fraction form
    28,726.56/43,089.76 = 7,950/x
  3. Step 3: Cross multiply
    28,726.56x = 43,089.76 × 7,950
  4. Step 4: Simplify right side
    28,726.56x = 342,563,592
  5. Step 5: Solve for x
    x = 342,563,592/28,726.56
  6. Step 6: Final answer
    x = 11,924.98

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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.