Home / 38,628.81-57,952.19-11,973.38

Finding the Fourth Proportional to 38,628.81, 57,952.19 and 11,973.38

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Solution

The fourth proportional to 38,628.81, 57,952.19 and 11,973.38 is: 17,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.81 : 57,952.19 = 11,973.38 : x
  2. Step 2: Convert to fraction form
    38,628.81/57,952.19 = 11,973.38/x
  3. Step 3: Cross multiply
    38,628.81x = 57,952.19 × 11,973.38
  4. Step 4: Simplify right side
    38,628.81x = 693,883,681.31
  5. Step 5: Solve for x
    x = 693,883,681.31/38,628.81
  6. Step 6: Final answer
    x = 17,962.86

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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.