Home / 28,222.20-42,406.20-25,014.60

Finding the Fourth Proportional to 28,222.20, 42,406.20 and 25,014.60

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Solution

The fourth proportional to 28,222.20, 42,406.20 and 25,014.60 is: 37,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.20 : 42,406.20 = 25,014.60 : x
  2. Step 2: Convert to fraction form
    28,222.20/42,406.20 = 25,014.60/x
  3. Step 3: Cross multiply
    28,222.20x = 42,406.20 × 25,014.60
  4. Step 4: Simplify right side
    28,222.20x = 1,060,774,130.52
  5. Step 5: Solve for x
    x = 1,060,774,130.52/28,222.20
  6. Step 6: Final answer
    x = 37,586.51

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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.