Home / 40,281.84-55,563.84-27,684.72

Finding the Fourth Proportional to 40,281.84, 55,563.84 and 27,684.72

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Solution

The fourth proportional to 40,281.84, 55,563.84 and 27,684.72 is: 38,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.84 : 55,563.84 = 27,684.72 : x
  2. Step 2: Convert to fraction form
    40,281.84/55,563.84 = 27,684.72/x
  3. Step 3: Cross multiply
    40,281.84x = 55,563.84 × 27,684.72
  4. Step 4: Simplify right side
    40,281.84x = 1,538,269,352.52
  5. Step 5: Solve for x
    x = 1,538,269,352.52/40,281.84
  6. Step 6: Final answer
    x = 38,187.66

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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.