Home / 40,865.58-56,395.64-28,769.92

Finding the Fourth Proportional to 40,865.58, 56,395.64 and 28,769.92

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Solution

The fourth proportional to 40,865.58, 56,395.64 and 28,769.92 is: 39,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.58 : 56,395.64 = 28,769.92 : x
  2. Step 2: Convert to fraction form
    40,865.58/56,395.64 = 28,769.92/x
  3. Step 3: Cross multiply
    40,865.58x = 56,395.64 × 28,769.92
  4. Step 4: Simplify right side
    40,865.58x = 1,622,497,982.08
  5. Step 5: Solve for x
    x = 1,622,497,982.08/40,865.58
  6. Step 6: Final answer
    x = 39,703.29

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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.