Home / 43,286.23-64,958.51-16,987.87

Finding the Fourth Proportional to 43,286.23, 64,958.51 and 16,987.87

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Solution

The fourth proportional to 43,286.23, 64,958.51 and 16,987.87 is: 25,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.23 : 64,958.51 = 16,987.87 : x
  2. Step 2: Convert to fraction form
    43,286.23/64,958.51 = 16,987.87/x
  3. Step 3: Cross multiply
    43,286.23x = 64,958.51 × 16,987.87
  4. Step 4: Simplify right side
    43,286.23x = 1,103,506,638.33
  5. Step 5: Solve for x
    x = 1,103,506,638.33/43,286.23
  6. Step 6: Final answer
    x = 25,493.25

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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.