Home / 28,740.43-43,110.56-9,020.46

Finding the Fourth Proportional to 28,740.43, 43,110.56 and 9,020.46

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Solution

The fourth proportional to 28,740.43, 43,110.56 and 9,020.46 is: 13,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.43 : 43,110.56 = 9,020.46 : x
  2. Step 2: Convert to fraction form
    28,740.43/43,110.56 = 9,020.46/x
  3. Step 3: Cross multiply
    28,740.43x = 43,110.56 × 9,020.46
  4. Step 4: Simplify right side
    28,740.43x = 388,877,104.61
  5. Step 5: Solve for x
    x = 388,877,104.61/28,740.43
  6. Step 6: Final answer
    x = 13,530.67

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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.