Home / 27,065.12-37,349.75-15,128.44

Finding the Fourth Proportional to 27,065.12, 37,349.75 and 15,128.44

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Solution

The fourth proportional to 27,065.12, 37,349.75 and 15,128.44 is: 20,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.12 : 37,349.75 = 15,128.44 : x
  2. Step 2: Convert to fraction form
    27,065.12/37,349.75 = 15,128.44/x
  3. Step 3: Cross multiply
    27,065.12x = 37,349.75 × 15,128.44
  4. Step 4: Simplify right side
    27,065.12x = 565,043,396.34
  5. Step 5: Solve for x
    x = 565,043,396.34/27,065.12
  6. Step 6: Final answer
    x = 20,877.18

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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.