Home / 28,222.44-42,318.78-15,071.24

Finding the Fourth Proportional to 28,222.44, 42,318.78 and 15,071.24

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Solution

The fourth proportional to 28,222.44, 42,318.78 and 15,071.24 is: 22,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.44 : 42,318.78 = 15,071.24 : x
  2. Step 2: Convert to fraction form
    28,222.44/42,318.78 = 15,071.24/x
  3. Step 3: Cross multiply
    28,222.44x = 42,318.78 × 15,071.24
  4. Step 4: Simplify right side
    28,222.44x = 637,796,489.89
  5. Step 5: Solve for x
    x = 637,796,489.89/28,222.44
  6. Step 6: Final answer
    x = 22,598.91

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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.