Home / 18,886.52-28,329.77-17,322.12

Finding the Fourth Proportional to 18,886.52, 28,329.77 and 17,322.12

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Solution

The fourth proportional to 18,886.52, 28,329.77 and 17,322.12 is: 25,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.52 : 28,329.77 = 17,322.12 : x
  2. Step 2: Convert to fraction form
    18,886.52/28,329.77 = 17,322.12/x
  3. Step 3: Cross multiply
    18,886.52x = 28,329.77 × 17,322.12
  4. Step 4: Simplify right side
    18,886.52x = 490,731,588.90
  5. Step 5: Solve for x
    x = 490,731,588.90/18,886.52
  6. Step 6: Final answer
    x = 25,983.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.