Home / 27,434.09-37,856.97-15,498.54

Finding the Fourth Proportional to 27,434.09, 37,856.97 and 15,498.54

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Solution

The fourth proportional to 27,434.09, 37,856.97 and 15,498.54 is: 21,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,434.09 : 37,856.97 = 15,498.54 : x
  2. Step 2: Convert to fraction form
    27,434.09/37,856.97 = 15,498.54/x
  3. Step 3: Cross multiply
    27,434.09x = 37,856.97 × 15,498.54
  4. Step 4: Simplify right side
    27,434.09x = 586,727,763.82
  5. Step 5: Solve for x
    x = 586,727,763.82/27,434.09
  6. Step 6: Final answer
    x = 21,386.81

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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.