Home / 28,900.20-43,350.30-25,012.20

Finding the Fourth Proportional to 28,900.20, 43,350.30 and 25,012.20

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Solution

The fourth proportional to 28,900.20, 43,350.30 and 25,012.20 is: 37,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.20 : 43,350.30 = 25,012.20 : x
  2. Step 2: Convert to fraction form
    28,900.20/43,350.30 = 25,012.20/x
  3. Step 3: Cross multiply
    28,900.20x = 43,350.30 × 25,012.20
  4. Step 4: Simplify right side
    28,900.20x = 1,084,286,373.66
  5. Step 5: Solve for x
    x = 1,084,286,373.66/28,900.20
  6. Step 6: Final answer
    x = 37,518.30

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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.