Home / 43,003.60-59,365.04-28,687.28

Finding the Fourth Proportional to 43,003.60, 59,365.04 and 28,687.28

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Solution

The fourth proportional to 43,003.60, 59,365.04 and 28,687.28 is: 39,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,003.60 : 59,365.04 = 28,687.28 : x
  2. Step 2: Convert to fraction form
    43,003.60/59,365.04 = 28,687.28/x
  3. Step 3: Cross multiply
    43,003.60x = 59,365.04 × 28,687.28
  4. Step 4: Simplify right side
    43,003.60x = 1,703,021,524.69
  5. Step 5: Solve for x
    x = 1,703,021,524.69/43,003.60
  6. Step 6: Final answer
    x = 39,601.84

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1.5x scale

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.