Home / 26,443.80-39,665.70-14,002.20

Finding the Fourth Proportional to 26,443.80, 39,665.70 and 14,002.20

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Solution

The fourth proportional to 26,443.80, 39,665.70 and 14,002.20 is: 21,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.80 : 39,665.70 = 14,002.20 : x
  2. Step 2: Convert to fraction form
    26,443.80/39,665.70 = 14,002.20/x
  3. Step 3: Cross multiply
    26,443.80x = 39,665.70 × 14,002.20
  4. Step 4: Simplify right side
    26,443.80x = 555,407,064.54
  5. Step 5: Solve for x
    x = 555,407,064.54/26,443.80
  6. Step 6: Final answer
    x = 21,003.30

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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.