Home / 26,305.40-39,460.14-8,775.20

Finding the Fourth Proportional to 26,305.40, 39,460.14 and 8,775.20

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Solution

The fourth proportional to 26,305.40, 39,460.14 and 8,775.20 is: 13,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.40 : 39,460.14 = 8,775.20 : x
  2. Step 2: Convert to fraction form
    26,305.40/39,460.14 = 8,775.20/x
  3. Step 3: Cross multiply
    26,305.40x = 39,460.14 × 8,775.20
  4. Step 4: Simplify right side
    26,305.40x = 346,270,719.18
  5. Step 5: Solve for x
    x = 346,270,719.18/26,305.40
  6. Step 6: Final answer
    x = 13,163.48

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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.