Home / 19,715.49-27,069.96-19,201.74

Finding the Fourth Proportional to 19,715.49, 27,069.96 and 19,201.74

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Solution

The fourth proportional to 19,715.49, 27,069.96 and 19,201.74 is: 26,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.49 : 27,069.96 = 19,201.74 : x
  2. Step 2: Convert to fraction form
    19,715.49/27,069.96 = 19,201.74/x
  3. Step 3: Cross multiply
    19,715.49x = 27,069.96 × 19,201.74
  4. Step 4: Simplify right side
    19,715.49x = 519,790,333.73
  5. Step 5: Solve for x
    x = 519,790,333.73/19,715.49
  6. Step 6: Final answer
    x = 26,364.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.