Home / 27,109.71-37,402.88-15,171.15

Finding the Fourth Proportional to 27,109.71, 37,402.88 and 15,171.15

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Solution

The fourth proportional to 27,109.71, 37,402.88 and 15,171.15 is: 20,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.71 : 37,402.88 = 15,171.15 : x
  2. Step 2: Convert to fraction form
    27,109.71/37,402.88 = 15,171.15/x
  3. Step 3: Cross multiply
    27,109.71x = 37,402.88 × 15,171.15
  4. Step 4: Simplify right side
    27,109.71x = 567,444,627.06
  5. Step 5: Solve for x
    x = 567,444,627.06/27,109.71
  6. Step 6: Final answer
    x = 20,931.42

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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.