Home / 28,326.64-42,481.26-9,347.76

Finding the Fourth Proportional to 28,326.64, 42,481.26 and 9,347.76

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Solution

The fourth proportional to 28,326.64, 42,481.26 and 9,347.76 is: 14,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.64 : 42,481.26 = 9,347.76 : x
  2. Step 2: Convert to fraction form
    28,326.64/42,481.26 = 9,347.76/x
  3. Step 3: Cross multiply
    28,326.64x = 42,481.26 × 9,347.76
  4. Step 4: Simplify right side
    28,326.64x = 397,104,622.98
  5. Step 5: Solve for x
    x = 397,104,622.98/28,326.64
  6. Step 6: Final answer
    x = 14,018.77

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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.