Home / 28,522.45-39,362.93-15,944.77

Finding the Fourth Proportional to 28,522.45, 39,362.93 and 15,944.77

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Solution

The fourth proportional to 28,522.45, 39,362.93 and 15,944.77 is: 22,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.45 : 39,362.93 = 15,944.77 : x
  2. Step 2: Convert to fraction form
    28,522.45/39,362.93 = 15,944.77/x
  3. Step 3: Cross multiply
    28,522.45x = 39,362.93 × 15,944.77
  4. Step 4: Simplify right side
    28,522.45x = 627,632,865.38
  5. Step 5: Solve for x
    x = 627,632,865.38/28,522.45
  6. Step 6: Final answer
    x = 22,004.87

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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.