Home / 42,857.81-64,026.08-27,741.79

Finding the Fourth Proportional to 42,857.81, 64,026.08 and 27,741.79

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Solution

The fourth proportional to 42,857.81, 64,026.08 and 27,741.79 is: 41,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,857.81 : 64,026.08 = 27,741.79 : x
  2. Step 2: Convert to fraction form
    42,857.81/64,026.08 = 27,741.79/x
  3. Step 3: Cross multiply
    42,857.81x = 64,026.08 × 27,741.79
  4. Step 4: Simplify right side
    42,857.81x = 1,776,198,228.27
  5. Step 5: Solve for x
    x = 1,776,198,228.27/42,857.81
  6. Step 6: Final answer
    x = 41,443.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.