Home / 27,604.79-38,094.62-15,505.29

Finding the Fourth Proportional to 27,604.79, 38,094.62 and 15,505.29

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Solution

The fourth proportional to 27,604.79, 38,094.62 and 15,505.29 is: 21,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.79 : 38,094.62 = 15,505.29 : x
  2. Step 2: Convert to fraction form
    27,604.79/38,094.62 = 15,505.29/x
  3. Step 3: Cross multiply
    27,604.79x = 38,094.62 × 15,505.29
  4. Step 4: Simplify right side
    27,604.79x = 590,668,130.54
  5. Step 5: Solve for x
    x = 590,668,130.54/27,604.79
  6. Step 6: Final answer
    x = 21,397.31

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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.