Home / 15,929.27-23,893.86-4,242.50

Finding the Fourth Proportional to 15,929.27, 23,893.86 and 4,242.50

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Solution

The fourth proportional to 15,929.27, 23,893.86 and 4,242.50 is: 6,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.27 : 23,893.86 = 4,242.50 : x
  2. Step 2: Convert to fraction form
    15,929.27/23,893.86 = 4,242.50/x
  3. Step 3: Cross multiply
    15,929.27x = 23,893.86 × 4,242.50
  4. Step 4: Simplify right side
    15,929.27x = 101,369,701.05
  5. Step 5: Solve for x
    x = 101,369,701.05/15,929.27
  6. Step 6: Final answer
    x = 6,363.74

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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.