Home / 18,899.04-28,474.67-17,122.32

Finding the Fourth Proportional to 18,899.04, 28,474.67 and 17,122.32

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Solution

The fourth proportional to 18,899.04, 28,474.67 and 17,122.32 is: 25,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.04 : 28,474.67 = 17,122.32 : x
  2. Step 2: Convert to fraction form
    18,899.04/28,474.67 = 17,122.32/x
  3. Step 3: Cross multiply
    18,899.04x = 28,474.67 × 17,122.32
  4. Step 4: Simplify right side
    18,899.04x = 487,552,411.63
  5. Step 5: Solve for x
    x = 487,552,411.63/18,899.04
  6. Step 6: Final answer
    x = 25,797.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.