Home / 28,767.52-43,102.59-18,249.40

Finding the Fourth Proportional to 28,767.52, 43,102.59 and 18,249.40

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Solution

The fourth proportional to 28,767.52, 43,102.59 and 18,249.40 is: 27,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.52 : 43,102.59 = 18,249.40 : x
  2. Step 2: Convert to fraction form
    28,767.52/43,102.59 = 18,249.40/x
  3. Step 3: Cross multiply
    28,767.52x = 43,102.59 × 18,249.40
  4. Step 4: Simplify right side
    28,767.52x = 786,596,405.95
  5. Step 5: Solve for x
    x = 786,596,405.95/28,767.52
  6. Step 6: Final answer
    x = 27,343.21

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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.