Home / 28,970.76-43,454.20-14,180.68

Finding the Fourth Proportional to 28,970.76, 43,454.20 and 14,180.68

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Solution

The fourth proportional to 28,970.76, 43,454.20 and 14,180.68 is: 21,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.76 : 43,454.20 = 14,180.68 : x
  2. Step 2: Convert to fraction form
    28,970.76/43,454.20 = 14,180.68/x
  3. Step 3: Cross multiply
    28,970.76x = 43,454.20 × 14,180.68
  4. Step 4: Simplify right side
    28,970.76x = 616,210,104.86
  5. Step 5: Solve for x
    x = 616,210,104.86/28,970.76
  6. Step 6: Final answer
    x = 21,270.07

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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.