Home / 28,908.60-43,362.90-26,770.20

Finding the Fourth Proportional to 28,908.60, 43,362.90 and 26,770.20

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Solution

The fourth proportional to 28,908.60, 43,362.90 and 26,770.20 is: 40,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.60 : 43,362.90 = 26,770.20 : x
  2. Step 2: Convert to fraction form
    28,908.60/43,362.90 = 26,770.20/x
  3. Step 3: Cross multiply
    28,908.60x = 43,362.90 × 26,770.20
  4. Step 4: Simplify right side
    28,908.60x = 1,160,833,505.58
  5. Step 5: Solve for x
    x = 1,160,833,505.58/28,908.60
  6. Step 6: Final answer
    x = 40,155.30

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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.