Home / 27,171.64-37,495.60-15,072.40

Finding the Fourth Proportional to 27,171.64, 37,495.60 and 15,072.40

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Solution

The fourth proportional to 27,171.64, 37,495.60 and 15,072.40 is: 20,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.64 : 37,495.60 = 15,072.40 : x
  2. Step 2: Convert to fraction form
    27,171.64/37,495.60 = 15,072.40/x
  3. Step 3: Cross multiply
    27,171.64x = 37,495.60 × 15,072.40
  4. Step 4: Simplify right side
    27,171.64x = 565,148,681.44
  5. Step 5: Solve for x
    x = 565,148,681.44/27,171.64
  6. Step 6: Final answer
    x = 20,799.21

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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.