Home / 28,270.52-39,008.76-16,335.44

Finding the Fourth Proportional to 28,270.52, 39,008.76 and 16,335.44

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Solution

The fourth proportional to 28,270.52, 39,008.76 and 16,335.44 is: 22,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.52 : 39,008.76 = 16,335.44 : x
  2. Step 2: Convert to fraction form
    28,270.52/39,008.76 = 16,335.44/x
  3. Step 3: Cross multiply
    28,270.52x = 39,008.76 × 16,335.44
  4. Step 4: Simplify right side
    28,270.52x = 637,225,258.45
  5. Step 5: Solve for x
    x = 637,225,258.45/28,270.52
  6. Step 6: Final answer
    x = 22,540.27

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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.