Home / 20,523.14-28,345.29-13,797.11

Finding the Fourth Proportional to 20,523.14, 28,345.29 and 13,797.11

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Solution

The fourth proportional to 20,523.14, 28,345.29 and 13,797.11 is: 19,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.14 : 28,345.29 = 13,797.11 : x
  2. Step 2: Convert to fraction form
    20,523.14/28,345.29 = 13,797.11/x
  3. Step 3: Cross multiply
    20,523.14x = 28,345.29 × 13,797.11
  4. Step 4: Simplify right side
    20,523.14x = 391,083,084.11
  5. Step 5: Solve for x
    x = 391,083,084.11/20,523.14
  6. Step 6: Final answer
    x = 19,055.71

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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.