Home / 27,254.12-37,611.77-15,317.42

Finding the Fourth Proportional to 27,254.12, 37,611.77 and 15,317.42

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Solution

The fourth proportional to 27,254.12, 37,611.77 and 15,317.42 is: 21,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,254.12 : 37,611.77 = 15,317.42 : x
  2. Step 2: Convert to fraction form
    27,254.12/37,611.77 = 15,317.42/x
  3. Step 3: Cross multiply
    27,254.12x = 37,611.77 × 15,317.42
  4. Step 4: Simplify right side
    27,254.12x = 576,115,013.39
  5. Step 5: Solve for x
    x = 576,115,013.39/27,254.12
  6. Step 6: Final answer
    x = 21,138.64

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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.