Home / 26,443.36-39,661.60-15,356

Finding the Fourth Proportional to 26,443.36, 39,661.60 and 15,356

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Solution

The fourth proportional to 26,443.36, 39,661.60 and 15,356 is: 23,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.36 : 39,661.60 = 15,356 : x
  2. Step 2: Convert to fraction form
    26,443.36/39,661.60 = 15,356/x
  3. Step 3: Cross multiply
    26,443.36x = 39,661.60 × 15,356
  4. Step 4: Simplify right side
    26,443.36x = 609,043,529.60
  5. Step 5: Solve for x
    x = 609,043,529.60/26,443.36
  6. Step 6: Final answer
    x = 23,032.00

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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.