Home / 22,455.04-30,952.68-15,369.16

Finding the Fourth Proportional to 22,455.04, 30,952.68 and 15,369.16

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Solution

The fourth proportional to 22,455.04, 30,952.68 and 15,369.16 is: 21,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.04 : 30,952.68 = 15,369.16 : x
  2. Step 2: Convert to fraction form
    22,455.04/30,952.68 = 15,369.16/x
  3. Step 3: Cross multiply
    22,455.04x = 30,952.68 × 15,369.16
  4. Step 4: Simplify right side
    22,455.04x = 475,716,691.35
  5. Step 5: Solve for x
    x = 475,716,691.35/22,455.04
  6. Step 6: Final answer
    x = 21,185.30

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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.