Home / 38,868.26-58,302.59-21,328.52

Finding the Fourth Proportional to 38,868.26, 58,302.59 and 21,328.52

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Solution

The fourth proportional to 38,868.26, 58,302.59 and 21,328.52 is: 31,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.26 : 58,302.59 = 21,328.52 : x
  2. Step 2: Convert to fraction form
    38,868.26/58,302.59 = 21,328.52/x
  3. Step 3: Cross multiply
    38,868.26x = 58,302.59 × 21,328.52
  4. Step 4: Simplify right side
    38,868.26x = 1,243,507,558.71
  5. Step 5: Solve for x
    x = 1,243,507,558.71/38,868.26
  6. Step 6: Final answer
    x = 31,992.88

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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.