Home / 25,345.78-38,024.87-17,863.93

Finding the Fourth Proportional to 25,345.78, 38,024.87 and 17,863.93

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Solution

The fourth proportional to 25,345.78, 38,024.87 and 17,863.93 is: 26,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.78 : 38,024.87 = 17,863.93 : x
  2. Step 2: Convert to fraction form
    25,345.78/38,024.87 = 17,863.93/x
  3. Step 3: Cross multiply
    25,345.78x = 38,024.87 × 17,863.93
  4. Step 4: Simplify right side
    25,345.78x = 679,273,615.94
  5. Step 5: Solve for x
    x = 679,273,615.94/25,345.78
  6. Step 6: Final answer
    x = 26,800.26

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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.