Home / 28,659.20-42,743.79-25,172.15

Finding the Fourth Proportional to 28,659.20, 42,743.79 and 25,172.15

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Solution

The fourth proportional to 28,659.20, 42,743.79 and 25,172.15 is: 37,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.20 : 42,743.79 = 25,172.15 : x
  2. Step 2: Convert to fraction form
    28,659.20/42,743.79 = 25,172.15/x
  3. Step 3: Cross multiply
    28,659.20x = 42,743.79 × 25,172.15
  4. Step 4: Simplify right side
    28,659.20x = 1,075,952,879.73
  5. Step 5: Solve for x
    x = 1,075,952,879.73/28,659.20
  6. Step 6: Final answer
    x = 37,543.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.