Home / 28,277.96-42,352.32-13,497.26

Finding the Fourth Proportional to 28,277.96, 42,352.32 and 13,497.26

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Solution

The fourth proportional to 28,277.96, 42,352.32 and 13,497.26 is: 20,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.96 : 42,352.32 = 13,497.26 : x
  2. Step 2: Convert to fraction form
    28,277.96/42,352.32 = 13,497.26/x
  3. Step 3: Cross multiply
    28,277.96x = 42,352.32 × 13,497.26
  4. Step 4: Simplify right side
    28,277.96x = 571,640,062.88
  5. Step 5: Solve for x
    x = 571,640,062.88/28,277.96
  6. Step 6: Final answer
    x = 20,215.04

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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.