Home / 20,284.19-27,992.28-11,332.07

Finding the Fourth Proportional to 20,284.19, 27,992.28 and 11,332.07

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Solution

The fourth proportional to 20,284.19, 27,992.28 and 11,332.07 is: 15,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.19 : 27,992.28 = 11,332.07 : x
  2. Step 2: Convert to fraction form
    20,284.19/27,992.28 = 11,332.07/x
  3. Step 3: Cross multiply
    20,284.19x = 27,992.28 × 11,332.07
  4. Step 4: Simplify right side
    20,284.19x = 317,210,336.46
  5. Step 5: Solve for x
    x = 317,210,336.46/20,284.19
  6. Step 6: Final answer
    x = 15,638.31

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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.