Home / 28,879.34-43,341.69-14,838.80

Finding the Fourth Proportional to 28,879.34, 43,341.69 and 14,838.80

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Solution

The fourth proportional to 28,879.34, 43,341.69 and 14,838.80 is: 22,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.34 : 43,341.69 = 14,838.80 : x
  2. Step 2: Convert to fraction form
    28,879.34/43,341.69 = 14,838.80/x
  3. Step 3: Cross multiply
    28,879.34x = 43,341.69 × 14,838.80
  4. Step 4: Simplify right side
    28,879.34x = 643,138,669.57
  5. Step 5: Solve for x
    x = 643,138,669.57/28,879.34
  6. Step 6: Final answer
    x = 22,269.85

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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.