Home / 27,584.25-38,070.51-15,645.05

Finding the Fourth Proportional to 27,584.25, 38,070.51 and 15,645.05

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Solution

The fourth proportional to 27,584.25, 38,070.51 and 15,645.05 is: 21,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584.25 : 38,070.51 = 15,645.05 : x
  2. Step 2: Convert to fraction form
    27,584.25/38,070.51 = 15,645.05/x
  3. Step 3: Cross multiply
    27,584.25x = 38,070.51 × 15,645.05
  4. Step 4: Simplify right side
    27,584.25x = 595,614,926.22
  5. Step 5: Solve for x
    x = 595,614,926.22/27,584.25
  6. Step 6: Final answer
    x = 21,592.58

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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.