Home / 26,945.23-40,400.24-12,904.80

Finding the Fourth Proportional to 26,945.23, 40,400.24 and 12,904.80

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Solution

The fourth proportional to 26,945.23, 40,400.24 and 12,904.80 is: 19,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.23 : 40,400.24 = 12,904.80 : x
  2. Step 2: Convert to fraction form
    26,945.23/40,400.24 = 12,904.80/x
  3. Step 3: Cross multiply
    26,945.23x = 40,400.24 × 12,904.80
  4. Step 4: Simplify right side
    26,945.23x = 521,356,750.63
  5. Step 5: Solve for x
    x = 521,356,750.63/26,945.23
  6. Step 6: Final answer
    x = 19,348.76

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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.