Home / 31,396.05-43,324.58-28,888.29

Finding the Fourth Proportional to 31,396.05, 43,324.58 and 28,888.29

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Solution

The fourth proportional to 31,396.05, 43,324.58 and 28,888.29 is: 39,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.05 : 43,324.58 = 28,888.29 : x
  2. Step 2: Convert to fraction form
    31,396.05/43,324.58 = 28,888.29/x
  3. Step 3: Cross multiply
    31,396.05x = 43,324.58 × 28,888.29
  4. Step 4: Simplify right side
    31,396.05x = 1,251,572,886.73
  5. Step 5: Solve for x
    x = 1,251,572,886.73/31,396.05
  6. Step 6: Final answer
    x = 39,864.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.