Home / 27,789.01-38,357.46-15,860.29

Finding the Fourth Proportional to 27,789.01, 38,357.46 and 15,860.29

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Solution

The fourth proportional to 27,789.01, 38,357.46 and 15,860.29 is: 21,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.01 : 38,357.46 = 15,860.29 : x
  2. Step 2: Convert to fraction form
    27,789.01/38,357.46 = 15,860.29/x
  3. Step 3: Cross multiply
    27,789.01x = 38,357.46 × 15,860.29
  4. Step 4: Simplify right side
    27,789.01x = 608,360,439.26
  5. Step 5: Solve for x
    x = 608,360,439.26/27,789.01
  6. Step 6: Final answer
    x = 21,892.12

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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.