Home / 27,664.83-38,177.06-15,564.39

Finding the Fourth Proportional to 27,664.83, 38,177.06 and 15,564.39

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Solution

The fourth proportional to 27,664.83, 38,177.06 and 15,564.39 is: 21,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.83 : 38,177.06 = 15,564.39 : x
  2. Step 2: Convert to fraction form
    27,664.83/38,177.06 = 15,564.39/x
  3. Step 3: Cross multiply
    27,664.83x = 38,177.06 × 15,564.39
  4. Step 4: Simplify right side
    27,664.83x = 594,202,573.07
  5. Step 5: Solve for x
    x = 594,202,573.07/27,664.83
  6. Step 6: Final answer
    x = 21,478.63

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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.