Home / 27,895-38,495.36-15,320.04

Finding the Fourth Proportional to 27,895, 38,495.36 and 15,320.04

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Solution

The fourth proportional to 27,895, 38,495.36 and 15,320.04 is: 21,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895 : 38,495.36 = 15,320.04 : x
  2. Step 2: Convert to fraction form
    27,895/38,495.36 = 15,320.04/x
  3. Step 3: Cross multiply
    27,895x = 38,495.36 × 15,320.04
  4. Step 4: Simplify right side
    27,895x = 589,750,455.01
  5. Step 5: Solve for x
    x = 589,750,455.01/27,895
  6. Step 6: Final answer
    x = 21,141.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.