Home / 27,320.59-37,701.37-15,220.78

Finding the Fourth Proportional to 27,320.59, 37,701.37 and 15,220.78

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Solution

The fourth proportional to 27,320.59, 37,701.37 and 15,220.78 is: 21,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.59 : 37,701.37 = 15,220.78 : x
  2. Step 2: Convert to fraction form
    27,320.59/37,701.37 = 15,220.78/x
  3. Step 3: Cross multiply
    27,320.59x = 37,701.37 × 15,220.78
  4. Step 4: Simplify right side
    27,320.59x = 573,844,258.47
  5. Step 5: Solve for x
    x = 573,844,258.47/27,320.59
  6. Step 6: Final answer
    x = 21,004.09

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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.