Home / 28,721.76-43,095.60-14,673.12

Finding the Fourth Proportional to 28,721.76, 43,095.60 and 14,673.12

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Solution

The fourth proportional to 28,721.76, 43,095.60 and 14,673.12 is: 22,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,721.76 : 43,095.60 = 14,673.12 : x
  2. Step 2: Convert to fraction form
    28,721.76/43,095.60 = 14,673.12/x
  3. Step 3: Cross multiply
    28,721.76x = 43,095.60 × 14,673.12
  4. Step 4: Simplify right side
    28,721.76x = 632,346,910.27
  5. Step 5: Solve for x
    x = 632,346,910.27/28,721.76
  6. Step 6: Final answer
    x = 22,016.30

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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.