Home / 40,722.57-56,205.36-27,836.28

Finding the Fourth Proportional to 40,722.57, 56,205.36 and 27,836.28

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Solution

The fourth proportional to 40,722.57, 56,205.36 and 27,836.28 is: 38,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.57 : 56,205.36 = 27,836.28 : x
  2. Step 2: Convert to fraction form
    40,722.57/56,205.36 = 27,836.28/x
  3. Step 3: Cross multiply
    40,722.57x = 56,205.36 × 27,836.28
  4. Step 4: Simplify right side
    40,722.57x = 1,564,548,138.46
  5. Step 5: Solve for x
    x = 1,564,548,138.46/40,722.57
  6. Step 6: Final answer
    x = 38,419.68

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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.