Home / 84,758.24-127,143.44-22,428

Finding the Fourth Proportional to 84,758.24, 127,143.44 and 22,428

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Solution

The fourth proportional to 84,758.24, 127,143.44 and 22,428 is: 33,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,758.24 : 127,143.44 = 22,428 : x
  2. Step 2: Convert to fraction form
    84,758.24/127,143.44 = 22,428/x
  3. Step 3: Cross multiply
    84,758.24x = 127,143.44 × 22,428
  4. Step 4: Simplify right side
    84,758.24x = 2,851,573,072.32
  5. Step 5: Solve for x
    x = 2,851,573,072.32/84,758.24
  6. Step 6: Final answer
    x = 33,643.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.