Home / 28,026.28-38,674.74-15,450.04

Finding the Fourth Proportional to 28,026.28, 38,674.74 and 15,450.04

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Solution

The fourth proportional to 28,026.28, 38,674.74 and 15,450.04 is: 21,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.28 : 38,674.74 = 15,450.04 : x
  2. Step 2: Convert to fraction form
    28,026.28/38,674.74 = 15,450.04/x
  3. Step 3: Cross multiply
    28,026.28x = 38,674.74 × 15,450.04
  4. Step 4: Simplify right side
    28,026.28x = 597,526,279.99
  5. Step 5: Solve for x
    x = 597,526,279.99/28,026.28
  6. Step 6: Final answer
    x = 21,320.21

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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.