Home / 26,981.70-40,455.03-12,941.40

Finding the Fourth Proportional to 26,981.70, 40,455.03 and 12,941.40

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Solution

The fourth proportional to 26,981.70, 40,455.03 and 12,941.40 is: 19,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.70 : 40,455.03 = 12,941.40 : x
  2. Step 2: Convert to fraction form
    26,981.70/40,455.03 = 12,941.40/x
  3. Step 3: Cross multiply
    26,981.70x = 40,455.03 × 12,941.40
  4. Step 4: Simplify right side
    26,981.70x = 523,544,725.24
  5. Step 5: Solve for x
    x = 523,544,725.24/26,981.70
  6. Step 6: Final answer
    x = 19,403.70

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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.