Home / 17,905.92-26,856.40-4,759.36

Finding the Fourth Proportional to 17,905.92, 26,856.40 and 4,759.36

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Solution

The fourth proportional to 17,905.92, 26,856.40 and 4,759.36 is: 7,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.92 : 26,856.40 = 4,759.36 : x
  2. Step 2: Convert to fraction form
    17,905.92/26,856.40 = 4,759.36/x
  3. Step 3: Cross multiply
    17,905.92x = 26,856.40 × 4,759.36
  4. Step 4: Simplify right side
    17,905.92x = 127,819,275.90
  5. Step 5: Solve for x
    x = 127,819,275.90/17,905.92
  6. Step 6: Final answer
    x = 7,138.38

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1.5x scale

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.