Home / 27,835.84-38,415.87-15,263.02

Finding the Fourth Proportional to 27,835.84, 38,415.87 and 15,263.02

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Solution

The fourth proportional to 27,835.84, 38,415.87 and 15,263.02 is: 21,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.84 : 38,415.87 = 15,263.02 : x
  2. Step 2: Convert to fraction form
    27,835.84/38,415.87 = 15,263.02/x
  3. Step 3: Cross multiply
    27,835.84x = 38,415.87 × 15,263.02
  4. Step 4: Simplify right side
    27,835.84x = 586,342,000.05
  5. Step 5: Solve for x
    x = 586,342,000.05/27,835.84
  6. Step 6: Final answer
    x = 21,064.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.