Home / 26,206.12-39,284.40-8,666.40

Finding the Fourth Proportional to 26,206.12, 39,284.40 and 8,666.40

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Solution

The fourth proportional to 26,206.12, 39,284.40 and 8,666.40 is: 12,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,206.12 : 39,284.40 = 8,666.40 : x
  2. Step 2: Convert to fraction form
    26,206.12/39,284.40 = 8,666.40/x
  3. Step 3: Cross multiply
    26,206.12x = 39,284.40 × 8,666.40
  4. Step 4: Simplify right side
    26,206.12x = 340,454,324.16
  5. Step 5: Solve for x
    x = 340,454,324.16/26,206.12
  6. Step 6: Final answer
    x = 12,991.41

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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.