Home / 28,636.32-42,969.60-15,486.24

Finding the Fourth Proportional to 28,636.32, 42,969.60 and 15,486.24

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Solution

The fourth proportional to 28,636.32, 42,969.60 and 15,486.24 is: 23,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.32 : 42,969.60 = 15,486.24 : x
  2. Step 2: Convert to fraction form
    28,636.32/42,969.60 = 15,486.24/x
  3. Step 3: Cross multiply
    28,636.32x = 42,969.60 × 15,486.24
  4. Step 4: Simplify right side
    28,636.32x = 665,437,538.30
  5. Step 5: Solve for x
    x = 665,437,538.30/28,636.32
  6. Step 6: Final answer
    x = 23,237.54

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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.