Home / 28,640.24-42,977.37-15,492.32

Finding the Fourth Proportional to 28,640.24, 42,977.37 and 15,492.32

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Solution

The fourth proportional to 28,640.24, 42,977.37 and 15,492.32 is: 23,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.24 : 42,977.37 = 15,492.32 : x
  2. Step 2: Convert to fraction form
    28,640.24/42,977.37 = 15,492.32/x
  3. Step 3: Cross multiply
    28,640.24x = 42,977.37 × 15,492.32
  4. Step 4: Simplify right side
    28,640.24x = 665,819,168.80
  5. Step 5: Solve for x
    x = 665,819,168.80/28,640.24
  6. Step 6: Final answer
    x = 23,247.68

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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.