Home / 19,960.16-27,538.17-12,795.87

Finding the Fourth Proportional to 19,960.16, 27,538.17 and 12,795.87

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Solution

The fourth proportional to 19,960.16, 27,538.17 and 12,795.87 is: 17,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.16 : 27,538.17 = 12,795.87 : x
  2. Step 2: Convert to fraction form
    19,960.16/27,538.17 = 12,795.87/x
  3. Step 3: Cross multiply
    19,960.16x = 27,538.17 × 12,795.87
  4. Step 4: Simplify right side
    19,960.16x = 352,374,788.07
  5. Step 5: Solve for x
    x = 352,374,788.07/19,960.16
  6. Step 6: Final answer
    x = 17,653.90

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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.