Home / 26,601.39-39,896.48-7,881.59

Finding the Fourth Proportional to 26,601.39, 39,896.48 and 7,881.59

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Solution

The fourth proportional to 26,601.39, 39,896.48 and 7,881.59 is: 11,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.39 : 39,896.48 = 7,881.59 : x
  2. Step 2: Convert to fraction form
    26,601.39/39,896.48 = 7,881.59/x
  3. Step 3: Cross multiply
    26,601.39x = 39,896.48 × 7,881.59
  4. Step 4: Simplify right side
    26,601.39x = 314,447,518.02
  5. Step 5: Solve for x
    x = 314,447,518.02/26,601.39
  6. Step 6: Final answer
    x = 11,820.72

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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.