Home / 15,774.48-23,661.12-3,928.28

Finding the Fourth Proportional to 15,774.48, 23,661.12 and 3,928.28

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Solution

The fourth proportional to 15,774.48, 23,661.12 and 3,928.28 is: 5,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.48 : 23,661.12 = 3,928.28 : x
  2. Step 2: Convert to fraction form
    15,774.48/23,661.12 = 3,928.28/x
  3. Step 3: Cross multiply
    15,774.48x = 23,661.12 × 3,928.28
  4. Step 4: Simplify right side
    15,774.48x = 92,947,504.47
  5. Step 5: Solve for x
    x = 92,947,504.47/15,774.48
  6. Step 6: Final answer
    x = 5,892.27

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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.