Home / 27,117.09-37,417.28-15,180.93

Finding the Fourth Proportional to 27,117.09, 37,417.28 and 15,180.93

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Solution

The fourth proportional to 27,117.09, 37,417.28 and 15,180.93 is: 20,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.09 : 37,417.28 = 15,180.93 : x
  2. Step 2: Convert to fraction form
    27,117.09/37,417.28 = 15,180.93/x
  3. Step 3: Cross multiply
    27,117.09x = 37,417.28 × 15,180.93
  4. Step 4: Simplify right side
    27,117.09x = 568,029,032.57
  5. Step 5: Solve for x
    x = 568,029,032.57/27,117.09
  6. Step 6: Final answer
    x = 20,947.27

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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.