Home / 28,897.63-43,346.31-9,177.71

Finding the Fourth Proportional to 28,897.63, 43,346.31 and 9,177.71

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Solution

The fourth proportional to 28,897.63, 43,346.31 and 9,177.71 is: 13,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.63 : 43,346.31 = 9,177.71 : x
  2. Step 2: Convert to fraction form
    28,897.63/43,346.31 = 9,177.71/x
  3. Step 3: Cross multiply
    28,897.63x = 43,346.31 × 9,177.71
  4. Step 4: Simplify right side
    28,897.63x = 397,819,611.60
  5. Step 5: Solve for x
    x = 397,819,611.60/28,897.63
  6. Step 6: Final answer
    x = 13,766.51

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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.