Home / 26,270.20-39,443.70-18,513.40

Finding the Fourth Proportional to 26,270.20, 39,443.70 and 18,513.40

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Solution

The fourth proportional to 26,270.20, 39,443.70 and 18,513.40 is: 27,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.20 : 39,443.70 = 18,513.40 : x
  2. Step 2: Convert to fraction form
    26,270.20/39,443.70 = 18,513.40/x
  3. Step 3: Cross multiply
    26,270.20x = 39,443.70 × 18,513.40
  4. Step 4: Simplify right side
    26,270.20x = 730,236,995.58
  5. Step 5: Solve for x
    x = 730,236,995.58/26,270.20
  6. Step 6: Final answer
    x = 27,797.16

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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.