Home / 28,712.58-39,632.40-26,481.84

Finding the Fourth Proportional to 28,712.58, 39,632.40 and 26,481.84

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Solution

The fourth proportional to 28,712.58, 39,632.40 and 26,481.84 is: 36,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.58 : 39,632.40 = 26,481.84 : x
  2. Step 2: Convert to fraction form
    28,712.58/39,632.40 = 26,481.84/x
  3. Step 3: Cross multiply
    28,712.58x = 39,632.40 × 26,481.84
  4. Step 4: Simplify right side
    28,712.58x = 1,049,538,875.62
  5. Step 5: Solve for x
    x = 1,049,538,875.62/28,712.58
  6. Step 6: Final answer
    x = 36,553.28

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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.