Home / 19,327.68-26,631.04-13,029.12

Finding the Fourth Proportional to 19,327.68, 26,631.04 and 13,029.12

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Solution

The fourth proportional to 19,327.68, 26,631.04 and 13,029.12 is: 17,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.68 : 26,631.04 = 13,029.12 : x
  2. Step 2: Convert to fraction form
    19,327.68/26,631.04 = 13,029.12/x
  3. Step 3: Cross multiply
    19,327.68x = 26,631.04 × 13,029.12
  4. Step 4: Simplify right side
    19,327.68x = 346,979,015.88
  5. Step 5: Solve for x
    x = 346,979,015.88/19,327.68
  6. Step 6: Final answer
    x = 17,952.44

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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.