Home / 28,923.30-43,335.43-15,784.89

Finding the Fourth Proportional to 28,923.30, 43,335.43 and 15,784.89

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Solution

The fourth proportional to 28,923.30, 43,335.43 and 15,784.89 is: 23,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.30 : 43,335.43 = 15,784.89 : x
  2. Step 2: Convert to fraction form
    28,923.30/43,335.43 = 15,784.89/x
  3. Step 3: Cross multiply
    28,923.30x = 43,335.43 × 15,784.89
  4. Step 4: Simplify right side
    28,923.30x = 684,044,995.65
  5. Step 5: Solve for x
    x = 684,044,995.65/28,923.30
  6. Step 6: Final answer
    x = 23,650.31

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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.