Home / 28,095.54-38,774.07-15,522.18

Finding the Fourth Proportional to 28,095.54, 38,774.07 and 15,522.18

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Solution

The fourth proportional to 28,095.54, 38,774.07 and 15,522.18 is: 21,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.54 : 38,774.07 = 15,522.18 : x
  2. Step 2: Convert to fraction form
    28,095.54/38,774.07 = 15,522.18/x
  3. Step 3: Cross multiply
    28,095.54x = 38,774.07 × 15,522.18
  4. Step 4: Simplify right side
    28,095.54x = 601,858,093.87
  5. Step 5: Solve for x
    x = 601,858,093.87/28,095.54
  6. Step 6: Final answer
    x = 21,421.84

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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.