Home / 26,419.28-39,644.40-9,790.88

Finding the Fourth Proportional to 26,419.28, 39,644.40 and 9,790.88

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Solution

The fourth proportional to 26,419.28, 39,644.40 and 9,790.88 is: 14,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.28 : 39,644.40 = 9,790.88 : x
  2. Step 2: Convert to fraction form
    26,419.28/39,644.40 = 9,790.88/x
  3. Step 3: Cross multiply
    26,419.28x = 39,644.40 × 9,790.88
  4. Step 4: Simplify right side
    26,419.28x = 388,153,563.07
  5. Step 5: Solve for x
    x = 388,153,563.07/26,419.28
  6. Step 6: Final answer
    x = 14,692.06

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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.