Home / 29,301.96-40,436.90-15,873.21

Finding the Fourth Proportional to 29,301.96, 40,436.90 and 15,873.21

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Solution

The fourth proportional to 29,301.96, 40,436.90 and 15,873.21 is: 21,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.96 : 40,436.90 = 15,873.21 : x
  2. Step 2: Convert to fraction form
    29,301.96/40,436.90 = 15,873.21/x
  3. Step 3: Cross multiply
    29,301.96x = 40,436.90 × 15,873.21
  4. Step 4: Simplify right side
    29,301.96x = 641,863,326.08
  5. Step 5: Solve for x
    x = 641,863,326.08/29,301.96
  6. Step 6: Final answer
    x = 21,905.13

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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.