Home / 18,840.42-28,222.08-15,122.52

Finding the Fourth Proportional to 18,840.42, 28,222.08 and 15,122.52

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Solution

The fourth proportional to 18,840.42, 28,222.08 and 15,122.52 is: 22,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.42 : 28,222.08 = 15,122.52 : x
  2. Step 2: Convert to fraction form
    18,840.42/28,222.08 = 15,122.52/x
  3. Step 3: Cross multiply
    18,840.42x = 28,222.08 × 15,122.52
  4. Step 4: Simplify right side
    18,840.42x = 426,788,969.24
  5. Step 5: Solve for x
    x = 426,788,969.24/18,840.42
  6. Step 6: Final answer
    x = 22,652.84

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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.