Home / 26,859.60-40,246.20-16,981.20

Finding the Fourth Proportional to 26,859.60, 40,246.20 and 16,981.20

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Solution

The fourth proportional to 26,859.60, 40,246.20 and 16,981.20 is: 25,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.60 : 40,246.20 = 16,981.20 : x
  2. Step 2: Convert to fraction form
    26,859.60/40,246.20 = 16,981.20/x
  3. Step 3: Cross multiply
    26,859.60x = 40,246.20 × 16,981.20
  4. Step 4: Simplify right side
    26,859.60x = 683,428,771.44
  5. Step 5: Solve for x
    x = 683,428,771.44/26,859.60
  6. Step 6: Final answer
    x = 25,444.49

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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.