Home / 40,327.76-55,622.04-28,394.48

Finding the Fourth Proportional to 40,327.76, 55,622.04 and 28,394.48

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Solution

The fourth proportional to 40,327.76, 55,622.04 and 28,394.48 is: 39,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.76 : 55,622.04 = 28,394.48 : x
  2. Step 2: Convert to fraction form
    40,327.76/55,622.04 = 28,394.48/x
  3. Step 3: Cross multiply
    40,327.76x = 55,622.04 × 28,394.48
  4. Step 4: Simplify right side
    40,327.76x = 1,579,358,902.34
  5. Step 5: Solve for x
    x = 1,579,358,902.34/40,327.76
  6. Step 6: Final answer
    x = 39,163.07

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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.