Home / 26,659.08-39,989.28-6,938.52

Finding the Fourth Proportional to 26,659.08, 39,989.28 and 6,938.52

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Solution

The fourth proportional to 26,659.08, 39,989.28 and 6,938.52 is: 10,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.08 : 39,989.28 = 6,938.52 : x
  2. Step 2: Convert to fraction form
    26,659.08/39,989.28 = 6,938.52/x
  3. Step 3: Cross multiply
    26,659.08x = 39,989.28 × 6,938.52
  4. Step 4: Simplify right side
    26,659.08x = 277,466,419.07
  5. Step 5: Solve for x
    x = 277,466,419.07/26,659.08
  6. Step 6: Final answer
    x = 10,407.95

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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.