Home / 27,957.15-41,935.73-10,428.75

Finding the Fourth Proportional to 27,957.15, 41,935.73 and 10,428.75

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Solution

The fourth proportional to 27,957.15, 41,935.73 and 10,428.75 is: 15,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.15 : 41,935.73 = 10,428.75 : x
  2. Step 2: Convert to fraction form
    27,957.15/41,935.73 = 10,428.75/x
  3. Step 3: Cross multiply
    27,957.15x = 41,935.73 × 10,428.75
  4. Step 4: Simplify right side
    27,957.15x = 437,337,192.09
  5. Step 5: Solve for x
    x = 437,337,192.09/27,957.15
  6. Step 6: Final answer
    x = 15,643.13

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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.