Home / 42,865.32-64,037.27-27,749.28

Finding the Fourth Proportional to 42,865.32, 64,037.27 and 27,749.28

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Solution

The fourth proportional to 42,865.32, 64,037.27 and 27,749.28 is: 41,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,865.32 : 64,037.27 = 27,749.28 : x
  2. Step 2: Convert to fraction form
    42,865.32/64,037.27 = 27,749.28/x
  3. Step 3: Cross multiply
    42,865.32x = 64,037.27 × 27,749.28
  4. Step 4: Simplify right side
    42,865.32x = 1,776,987,996.92
  5. Step 5: Solve for x
    x = 1,776,987,996.92/42,865.32
  6. Step 6: Final answer
    x = 41,455.14

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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.