Home / 28,538.54-42,799.64-11,004.33

Finding the Fourth Proportional to 28,538.54, 42,799.64 and 11,004.33

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Solution

The fourth proportional to 28,538.54, 42,799.64 and 11,004.33 is: 16,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.54 : 42,799.64 = 11,004.33 : x
  2. Step 2: Convert to fraction form
    28,538.54/42,799.64 = 11,004.33/x
  3. Step 3: Cross multiply
    28,538.54x = 42,799.64 × 11,004.33
  4. Step 4: Simplify right side
    28,538.54x = 470,981,307.42
  5. Step 5: Solve for x
    x = 470,981,307.42/28,538.54
  6. Step 6: Final answer
    x = 16,503.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.