Home / 26,921.25-37,147.82-14,985.09

Finding the Fourth Proportional to 26,921.25, 37,147.82 and 14,985.09

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Solution

The fourth proportional to 26,921.25, 37,147.82 and 14,985.09 is: 20,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.25 : 37,147.82 = 14,985.09 : x
  2. Step 2: Convert to fraction form
    26,921.25/37,147.82 = 14,985.09/x
  3. Step 3: Cross multiply
    26,921.25x = 37,147.82 × 14,985.09
  4. Step 4: Simplify right side
    26,921.25x = 556,663,351.08
  5. Step 5: Solve for x
    x = 556,663,351.08/26,921.25
  6. Step 6: Final answer
    x = 20,677.47

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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.