Home / 28,184.54-38,894.18-15,609.02

Finding the Fourth Proportional to 28,184.54, 38,894.18 and 15,609.02

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Solution

The fourth proportional to 28,184.54, 38,894.18 and 15,609.02 is: 21,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.54 : 38,894.18 = 15,609.02 : x
  2. Step 2: Convert to fraction form
    28,184.54/38,894.18 = 15,609.02/x
  3. Step 3: Cross multiply
    28,184.54x = 38,894.18 × 15,609.02
  4. Step 4: Simplify right side
    28,184.54x = 607,100,033.50
  5. Step 5: Solve for x
    x = 607,100,033.50/28,184.54
  6. Step 6: Final answer
    x = 21,540.18

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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.