Home / 27,117.07-37,421.28-15,180.51

Finding the Fourth Proportional to 27,117.07, 37,421.28 and 15,180.51

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Solution

The fourth proportional to 27,117.07, 37,421.28 and 15,180.51 is: 20,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.07 : 37,421.28 = 15,180.51 : x
  2. Step 2: Convert to fraction form
    27,117.07/37,421.28 = 15,180.51/x
  3. Step 3: Cross multiply
    27,117.07x = 37,421.28 × 15,180.51
  4. Step 4: Simplify right side
    27,117.07x = 568,074,115.25
  5. Step 5: Solve for x
    x = 568,074,115.25/27,117.07
  6. Step 6: Final answer
    x = 20,948.95

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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.