Home / 15,929.79-23,897.42-4,837.60

Finding the Fourth Proportional to 15,929.79, 23,897.42 and 4,837.60

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Solution

The fourth proportional to 15,929.79, 23,897.42 and 4,837.60 is: 7,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.79 : 23,897.42 = 4,837.60 : x
  2. Step 2: Convert to fraction form
    15,929.79/23,897.42 = 4,837.60/x
  3. Step 3: Cross multiply
    15,929.79x = 23,897.42 × 4,837.60
  4. Step 4: Simplify right side
    15,929.79x = 115,606,108.80
  5. Step 5: Solve for x
    x = 115,606,108.80/15,929.79
  6. Step 6: Final answer
    x = 7,257.23

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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.