Home / 52,859.20-72,945.66-28,986.26

Finding the Fourth Proportional to 52,859.20, 72,945.66 and 28,986.26

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Solution

The fourth proportional to 52,859.20, 72,945.66 and 28,986.26 is: 40,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,859.20 : 72,945.66 = 28,986.26 : x
  2. Step 2: Convert to fraction form
    52,859.20/72,945.66 = 28,986.26/x
  3. Step 3: Cross multiply
    52,859.20x = 72,945.66 × 28,986.26
  4. Step 4: Simplify right side
    52,859.20x = 2,114,421,866.63
  5. Step 5: Solve for x
    x = 2,114,421,866.63/52,859.20
  6. Step 6: Final answer
    x = 40,001.02

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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.