Home / 40,252.88-55,529.68-28,322.80

Finding the Fourth Proportional to 40,252.88, 55,529.68 and 28,322.80

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Solution

The fourth proportional to 40,252.88, 55,529.68 and 28,322.80 is: 39,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252.88 : 55,529.68 = 28,322.80 : x
  2. Step 2: Convert to fraction form
    40,252.88/55,529.68 = 28,322.80/x
  3. Step 3: Cross multiply
    40,252.88x = 55,529.68 × 28,322.80
  4. Step 4: Simplify right side
    40,252.88x = 1,572,756,020.70
  5. Step 5: Solve for x
    x = 1,572,756,020.70/40,252.88
  6. Step 6: Final answer
    x = 39,071.89

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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.