Home / 28,497.56-39,325.38-15,922.04

Finding the Fourth Proportional to 28,497.56, 39,325.38 and 15,922.04

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Solution

The fourth proportional to 28,497.56, 39,325.38 and 15,922.04 is: 21,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.56 : 39,325.38 = 15,922.04 : x
  2. Step 2: Convert to fraction form
    28,497.56/39,325.38 = 15,922.04/x
  3. Step 3: Cross multiply
    28,497.56x = 39,325.38 × 15,922.04
  4. Step 4: Simplify right side
    28,497.56x = 626,140,273.38
  5. Step 5: Solve for x
    x = 626,140,273.38/28,497.56
  6. Step 6: Final answer
    x = 21,971.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.