Home / 26,709.20-40,063.80-16,859.60

Finding the Fourth Proportional to 26,709.20, 40,063.80 and 16,859.60

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Solution

The fourth proportional to 26,709.20, 40,063.80 and 16,859.60 is: 25,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.20 : 40,063.80 = 16,859.60 : x
  2. Step 2: Convert to fraction form
    26,709.20/40,063.80 = 16,859.60/x
  3. Step 3: Cross multiply
    26,709.20x = 40,063.80 × 16,859.60
  4. Step 4: Simplify right side
    26,709.20x = 675,459,642.48
  5. Step 5: Solve for x
    x = 675,459,642.48/26,709.20
  6. Step 6: Final answer
    x = 25,289.40

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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.