Home / 27,220.66-37,564.23-15,283.72

Finding the Fourth Proportional to 27,220.66, 37,564.23 and 15,283.72

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Solution

The fourth proportional to 27,220.66, 37,564.23 and 15,283.72 is: 21,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.66 : 37,564.23 = 15,283.72 : x
  2. Step 2: Convert to fraction form
    27,220.66/37,564.23 = 15,283.72/x
  3. Step 3: Cross multiply
    27,220.66x = 37,564.23 × 15,283.72
  4. Step 4: Simplify right side
    27,220.66x = 574,121,173.34
  5. Step 5: Solve for x
    x = 574,121,173.34/27,220.66
  6. Step 6: Final answer
    x = 21,091.38

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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.