Home / 27,902.44-38,507.80-15,329.62

Finding the Fourth Proportional to 27,902.44, 38,507.80 and 15,329.62

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Solution

The fourth proportional to 27,902.44, 38,507.80 and 15,329.62 is: 21,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.44 : 38,507.80 = 15,329.62 : x
  2. Step 2: Convert to fraction form
    27,902.44/38,507.80 = 15,329.62/x
  3. Step 3: Cross multiply
    27,902.44x = 38,507.80 × 15,329.62
  4. Step 4: Simplify right side
    27,902.44x = 590,309,941.04
  5. Step 5: Solve for x
    x = 590,309,941.04/27,902.44
  6. Step 6: Final answer
    x = 21,156.21

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1.5x scale

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.