Home / 26,660.40-39,971.40-14,977.20

Finding the Fourth Proportional to 26,660.40, 39,971.40 and 14,977.20

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Solution

The fourth proportional to 26,660.40, 39,971.40 and 14,977.20 is: 22,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.40 : 39,971.40 = 14,977.20 : x
  2. Step 2: Convert to fraction form
    26,660.40/39,971.40 = 14,977.20/x
  3. Step 3: Cross multiply
    26,660.40x = 39,971.40 × 14,977.20
  4. Step 4: Simplify right side
    26,660.40x = 598,659,652.08
  5. Step 5: Solve for x
    x = 598,659,652.08/26,660.40
  6. Step 6: Final answer
    x = 22,455.01

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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.