Home / 40,643.14-56,076.72-27,900.22

Finding the Fourth Proportional to 40,643.14, 56,076.72 and 27,900.22

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Solution

The fourth proportional to 40,643.14, 56,076.72 and 27,900.22 is: 38,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.14 : 56,076.72 = 27,900.22 : x
  2. Step 2: Convert to fraction form
    40,643.14/56,076.72 = 27,900.22/x
  3. Step 3: Cross multiply
    40,643.14x = 56,076.72 × 27,900.22
  4. Step 4: Simplify right side
    40,643.14x = 1,564,552,824.88
  5. Step 5: Solve for x
    x = 1,564,552,824.88/40,643.14
  6. Step 6: Final answer
    x = 38,494.88

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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.