Home / 28,054.89-38,680.74-17,966.75

Finding the Fourth Proportional to 28,054.89, 38,680.74 and 17,966.75

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Solution

The fourth proportional to 28,054.89, 38,680.74 and 17,966.75 is: 24,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.89 : 38,680.74 = 17,966.75 : x
  2. Step 2: Convert to fraction form
    28,054.89/38,680.74 = 17,966.75/x
  3. Step 3: Cross multiply
    28,054.89x = 38,680.74 × 17,966.75
  4. Step 4: Simplify right side
    28,054.89x = 694,966,991.99
  5. Step 5: Solve for x
    x = 694,966,991.99/28,054.89
  6. Step 6: Final answer
    x = 24,771.69

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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.