Home / 26,078.52-39,117.78-10,492.50

Finding the Fourth Proportional to 26,078.52, 39,117.78 and 10,492.50

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Solution

The fourth proportional to 26,078.52, 39,117.78 and 10,492.50 is: 15,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.52 : 39,117.78 = 10,492.50 : x
  2. Step 2: Convert to fraction form
    26,078.52/39,117.78 = 10,492.50/x
  3. Step 3: Cross multiply
    26,078.52x = 39,117.78 × 10,492.50
  4. Step 4: Simplify right side
    26,078.52x = 410,443,306.65
  5. Step 5: Solve for x
    x = 410,443,306.65/26,078.52
  6. Step 6: Final answer
    x = 15,738.75

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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.