Home / 26,558.75-39,838.13-8,784.65

Finding the Fourth Proportional to 26,558.75, 39,838.13 and 8,784.65

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Solution

The fourth proportional to 26,558.75, 39,838.13 and 8,784.65 is: 13,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.75 : 39,838.13 = 8,784.65 : x
  2. Step 2: Convert to fraction form
    26,558.75/39,838.13 = 8,784.65/x
  3. Step 3: Cross multiply
    26,558.75x = 39,838.13 × 8,784.65
  4. Step 4: Simplify right side
    26,558.75x = 349,963,851.48
  5. Step 5: Solve for x
    x = 349,963,851.48/26,558.75
  6. Step 6: Final answer
    x = 13,176.97

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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.