Home / 28,147.48-38,851.20-17,530.84

Finding the Fourth Proportional to 28,147.48, 38,851.20 and 17,530.84

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Solution

The fourth proportional to 28,147.48, 38,851.20 and 17,530.84 is: 24,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.48 : 38,851.20 = 17,530.84 : x
  2. Step 2: Convert to fraction form
    28,147.48/38,851.20 = 17,530.84/x
  3. Step 3: Cross multiply
    28,147.48x = 38,851.20 × 17,530.84
  4. Step 4: Simplify right side
    28,147.48x = 681,094,171.01
  5. Step 5: Solve for x
    x = 681,094,171.01/28,147.48
  6. Step 6: Final answer
    x = 24,197.34

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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.