Home / 26,981.86-40,477.66-12,197.74

Finding the Fourth Proportional to 26,981.86, 40,477.66 and 12,197.74

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Solution

The fourth proportional to 26,981.86, 40,477.66 and 12,197.74 is: 18,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.86 : 40,477.66 = 12,197.74 : x
  2. Step 2: Convert to fraction form
    26,981.86/40,477.66 = 12,197.74/x
  3. Step 3: Cross multiply
    26,981.86x = 40,477.66 × 12,197.74
  4. Step 4: Simplify right side
    26,981.86x = 493,735,972.49
  5. Step 5: Solve for x
    x = 493,735,972.49/26,981.86
  6. Step 6: Final answer
    x = 18,298.81

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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.