Home / 22,288.80-30,755.52-14,341.68

Finding the Fourth Proportional to 22,288.80, 30,755.52 and 14,341.68

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Solution

The fourth proportional to 22,288.80, 30,755.52 and 14,341.68 is: 19,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.80 : 30,755.52 = 14,341.68 : x
  2. Step 2: Convert to fraction form
    22,288.80/30,755.52 = 14,341.68/x
  3. Step 3: Cross multiply
    22,288.80x = 30,755.52 × 14,341.68
  4. Step 4: Simplify right side
    22,288.80x = 441,085,826.07
  5. Step 5: Solve for x
    x = 441,085,826.07/22,288.80
  6. Step 6: Final answer
    x = 19,789.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.