Home / 28,842.86-43,286.16-19,460.64

Finding the Fourth Proportional to 28,842.86, 43,286.16 and 19,460.64

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Solution

The fourth proportional to 28,842.86, 43,286.16 and 19,460.64 is: 29,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.86 : 43,286.16 = 19,460.64 : x
  2. Step 2: Convert to fraction form
    28,842.86/43,286.16 = 19,460.64/x
  3. Step 3: Cross multiply
    28,842.86x = 43,286.16 × 19,460.64
  4. Step 4: Simplify right side
    28,842.86x = 842,376,376.74
  5. Step 5: Solve for x
    x = 842,376,376.74/28,842.86
  6. Step 6: Final answer
    x = 29,205.72

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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.