Home / 28,416.97-42,563.31-23,430.61

Finding the Fourth Proportional to 28,416.97, 42,563.31 and 23,430.61

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Solution

The fourth proportional to 28,416.97, 42,563.31 and 23,430.61 is: 35,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.97 : 42,563.31 = 23,430.61 : x
  2. Step 2: Convert to fraction form
    28,416.97/42,563.31 = 23,430.61/x
  3. Step 3: Cross multiply
    28,416.97x = 42,563.31 × 23,430.61
  4. Step 4: Simplify right side
    28,416.97x = 997,284,316.92
  5. Step 5: Solve for x
    x = 997,284,316.92/28,416.97
  6. Step 6: Final answer
    x = 35,094.67

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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.