Home / 28,981.29-43,470.50-16,980.24

Finding the Fourth Proportional to 28,981.29, 43,470.50 and 16,980.24

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Solution

The fourth proportional to 28,981.29, 43,470.50 and 16,980.24 is: 25,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.29 : 43,470.50 = 16,980.24 : x
  2. Step 2: Convert to fraction form
    28,981.29/43,470.50 = 16,980.24/x
  3. Step 3: Cross multiply
    28,981.29x = 43,470.50 × 16,980.24
  4. Step 4: Simplify right side
    28,981.29x = 738,139,220.67
  5. Step 5: Solve for x
    x = 738,139,220.67/28,981.29
  6. Step 6: Final answer
    x = 25,469.51

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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.