Home / 28,981.20-43,536.60-27,800.40

Finding the Fourth Proportional to 28,981.20, 43,536.60 and 27,800.40

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Solution

The fourth proportional to 28,981.20, 43,536.60 and 27,800.40 is: 41,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.20 : 43,536.60 = 27,800.40 : x
  2. Step 2: Convert to fraction form
    28,981.20/43,536.60 = 27,800.40/x
  3. Step 3: Cross multiply
    28,981.20x = 43,536.60 × 27,800.40
  4. Step 4: Simplify right side
    28,981.20x = 1,210,334,894.64
  5. Step 5: Solve for x
    x = 1,210,334,894.64/28,981.20
  6. Step 6: Final answer
    x = 41,762.76

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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.