Home / 27,320.09-37,701.72-15,383.52

Finding the Fourth Proportional to 27,320.09, 37,701.72 and 15,383.52

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Solution

The fourth proportional to 27,320.09, 37,701.72 and 15,383.52 is: 21,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.09 : 37,701.72 = 15,383.52 : x
  2. Step 2: Convert to fraction form
    27,320.09/37,701.72 = 15,383.52/x
  3. Step 3: Cross multiply
    27,320.09x = 37,701.72 × 15,383.52
  4. Step 4: Simplify right side
    27,320.09x = 579,985,163.65
  5. Step 5: Solve for x
    x = 579,985,163.65/27,320.09
  6. Step 6: Final answer
    x = 21,229.26

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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.