Home / 26,185.62-39,284.59-8,655.45

Finding the Fourth Proportional to 26,185.62, 39,284.59 and 8,655.45

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Solution

The fourth proportional to 26,185.62, 39,284.59 and 8,655.45 is: 12,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.62 : 39,284.59 = 8,655.45 : x
  2. Step 2: Convert to fraction form
    26,185.62/39,284.59 = 8,655.45/x
  3. Step 3: Cross multiply
    26,185.62x = 39,284.59 × 8,655.45
  4. Step 4: Simplify right side
    26,185.62x = 340,025,859.45
  5. Step 5: Solve for x
    x = 340,025,859.45/26,185.62
  6. Step 6: Final answer
    x = 12,985.21

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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.