Home / 28,730.24-43,051.38-19,335.50

Finding the Fourth Proportional to 28,730.24, 43,051.38 and 19,335.50

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Solution

The fourth proportional to 28,730.24, 43,051.38 and 19,335.50 is: 28,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.24 : 43,051.38 = 19,335.50 : x
  2. Step 2: Convert to fraction form
    28,730.24/43,051.38 = 19,335.50/x
  3. Step 3: Cross multiply
    28,730.24x = 43,051.38 × 19,335.50
  4. Step 4: Simplify right side
    28,730.24x = 832,419,957.99
  5. Step 5: Solve for x
    x = 832,419,957.99/28,730.24
  6. Step 6: Final answer
    x = 28,973.65

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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.