Home / 28,841.91-43,202.32-18,306.51

Finding the Fourth Proportional to 28,841.91, 43,202.32 and 18,306.51

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Solution

The fourth proportional to 28,841.91, 43,202.32 and 18,306.51 is: 27,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.91 : 43,202.32 = 18,306.51 : x
  2. Step 2: Convert to fraction form
    28,841.91/43,202.32 = 18,306.51/x
  3. Step 3: Cross multiply
    28,841.91x = 43,202.32 × 18,306.51
  4. Step 4: Simplify right side
    28,841.91x = 790,883,703.10
  5. Step 5: Solve for x
    x = 790,883,703.10/28,841.91
  6. Step 6: Final answer
    x = 27,421.34

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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.