Home / 26,481.98-39,703.73-12,434.78

Finding the Fourth Proportional to 26,481.98, 39,703.73 and 12,434.78

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Solution

The fourth proportional to 26,481.98, 39,703.73 and 12,434.78 is: 18,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.98 : 39,703.73 = 12,434.78 : x
  2. Step 2: Convert to fraction form
    26,481.98/39,703.73 = 12,434.78/x
  3. Step 3: Cross multiply
    26,481.98x = 39,703.73 × 12,434.78
  4. Step 4: Simplify right side
    26,481.98x = 493,707,184.81
  5. Step 5: Solve for x
    x = 493,707,184.81/26,481.98
  6. Step 6: Final answer
    x = 18,643.14

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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.