Home / 26,638.35-39,955.95-9,996.98

Finding the Fourth Proportional to 26,638.35, 39,955.95 and 9,996.98

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Solution

The fourth proportional to 26,638.35, 39,955.95 and 9,996.98 is: 14,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.35 : 39,955.95 = 9,996.98 : x
  2. Step 2: Convert to fraction form
    26,638.35/39,955.95 = 9,996.98/x
  3. Step 3: Cross multiply
    26,638.35x = 39,955.95 × 9,996.98
  4. Step 4: Simplify right side
    26,638.35x = 399,438,833.03
  5. Step 5: Solve for x
    x = 399,438,833.03/26,638.35
  6. Step 6: Final answer
    x = 14,994.88

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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.