Home / 28,747.40-43,125.66-9,021.56

Finding the Fourth Proportional to 28,747.40, 43,125.66 and 9,021.56

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Solution

The fourth proportional to 28,747.40, 43,125.66 and 9,021.56 is: 13,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.40 : 43,125.66 = 9,021.56 : x
  2. Step 2: Convert to fraction form
    28,747.40/43,125.66 = 9,021.56/x
  3. Step 3: Cross multiply
    28,747.40x = 43,125.66 × 9,021.56
  4. Step 4: Simplify right side
    28,747.40x = 389,060,729.23
  5. Step 5: Solve for x
    x = 389,060,729.23/28,747.40
  6. Step 6: Final answer
    x = 13,533.77

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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.