Home / 28,184.28-38,893.95-15,609.03

Finding the Fourth Proportional to 28,184.28, 38,893.95 and 15,609.03

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Solution

The fourth proportional to 28,184.28, 38,893.95 and 15,609.03 is: 21,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.28 : 38,893.95 = 15,609.03 : x
  2. Step 2: Convert to fraction form
    28,184.28/38,893.95 = 15,609.03/x
  3. Step 3: Cross multiply
    28,184.28x = 38,893.95 × 15,609.03
  4. Step 4: Simplify right side
    28,184.28x = 607,096,832.37
  5. Step 5: Solve for x
    x = 607,096,832.37/28,184.28
  6. Step 6: Final answer
    x = 21,540.26

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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.