Home / 18,536.04-27,800.28-15,435.90

Finding the Fourth Proportional to 18,536.04, 27,800.28 and 15,435.90

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Solution

The fourth proportional to 18,536.04, 27,800.28 and 15,435.90 is: 23,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.04 : 27,800.28 = 15,435.90 : x
  2. Step 2: Convert to fraction form
    18,536.04/27,800.28 = 15,435.90/x
  3. Step 3: Cross multiply
    18,536.04x = 27,800.28 × 15,435.90
  4. Step 4: Simplify right side
    18,536.04x = 429,122,342.05
  5. Step 5: Solve for x
    x = 429,122,342.05/18,536.04
  6. Step 6: Final answer
    x = 23,150.70

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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.