Home / 28,861.79-43,214.48-14,981.63

Finding the Fourth Proportional to 28,861.79, 43,214.48 and 14,981.63

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Solution

The fourth proportional to 28,861.79, 43,214.48 and 14,981.63 is: 22,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.79 : 43,214.48 = 14,981.63 : x
  2. Step 2: Convert to fraction form
    28,861.79/43,214.48 = 14,981.63/x
  3. Step 3: Cross multiply
    28,861.79x = 43,214.48 × 14,981.63
  4. Step 4: Simplify right side
    28,861.79x = 647,423,350.00
  5. Step 5: Solve for x
    x = 647,423,350.00/28,861.79
  6. Step 6: Final answer
    x = 22,431.85

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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.