Home / 27,606.79-38,097.24-15,505.60

Finding the Fourth Proportional to 27,606.79, 38,097.24 and 15,505.60

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Solution

The fourth proportional to 27,606.79, 38,097.24 and 15,505.60 is: 21,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.79 : 38,097.24 = 15,505.60 : x
  2. Step 2: Convert to fraction form
    27,606.79/38,097.24 = 15,505.60/x
  3. Step 3: Cross multiply
    27,606.79x = 38,097.24 × 15,505.60
  4. Step 4: Simplify right side
    27,606.79x = 590,720,564.54
  5. Step 5: Solve for x
    x = 590,720,564.54/27,606.79
  6. Step 6: Final answer
    x = 21,397.65

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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.