Home / 28,809.40-43,214.10-25,747.60

Finding the Fourth Proportional to 28,809.40, 43,214.10 and 25,747.60

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Solution

The fourth proportional to 28,809.40, 43,214.10 and 25,747.60 is: 38,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.40 : 43,214.10 = 25,747.60 : x
  2. Step 2: Convert to fraction form
    28,809.40/43,214.10 = 25,747.60/x
  3. Step 3: Cross multiply
    28,809.40x = 43,214.10 × 25,747.60
  4. Step 4: Simplify right side
    28,809.40x = 1,112,659,361.16
  5. Step 5: Solve for x
    x = 1,112,659,361.16/28,809.40
  6. Step 6: Final answer
    x = 38,621.40

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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.