Home / 43,004.10-59,365.73-28,687.78

Finding the Fourth Proportional to 43,004.10, 59,365.73 and 28,687.78

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Solution

The fourth proportional to 43,004.10, 59,365.73 and 28,687.78 is: 39,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,004.10 : 59,365.73 = 28,687.78 : x
  2. Step 2: Convert to fraction form
    43,004.10/59,365.73 = 28,687.78/x
  3. Step 3: Cross multiply
    43,004.10x = 59,365.73 × 28,687.78
  4. Step 4: Simplify right side
    43,004.10x = 1,703,071,001.78
  5. Step 5: Solve for x
    x = 1,703,071,001.78/43,004.10
  6. Step 6: Final answer
    x = 39,602.53

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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.