Home / 28,980.62-39,999.48-17,653.85

Finding the Fourth Proportional to 28,980.62, 39,999.48 and 17,653.85

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Solution

The fourth proportional to 28,980.62, 39,999.48 and 17,653.85 is: 24,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.62 : 39,999.48 = 17,653.85 : x
  2. Step 2: Convert to fraction form
    28,980.62/39,999.48 = 17,653.85/x
  3. Step 3: Cross multiply
    28,980.62x = 39,999.48 × 17,653.85
  4. Step 4: Simplify right side
    28,980.62x = 706,144,820.00
  5. Step 5: Solve for x
    x = 706,144,820.00/28,980.62
  6. Step 6: Final answer
    x = 24,366.10

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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.