Home / 28,902.22-43,347.86-9,180.95

Finding the Fourth Proportional to 28,902.22, 43,347.86 and 9,180.95

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Solution

The fourth proportional to 28,902.22, 43,347.86 and 9,180.95 is: 13,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.22 : 43,347.86 = 9,180.95 : x
  2. Step 2: Convert to fraction form
    28,902.22/43,347.86 = 9,180.95/x
  3. Step 3: Cross multiply
    28,902.22x = 43,347.86 × 9,180.95
  4. Step 4: Simplify right side
    28,902.22x = 397,974,307.05
  5. Step 5: Solve for x
    x = 397,974,307.05/28,902.22
  6. Step 6: Final answer
    x = 13,769.68

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1.5x scale

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.