Home / 19,320.16-26,662.16-15,076

Finding the Fourth Proportional to 19,320.16, 26,662.16 and 15,076

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Solution

The fourth proportional to 19,320.16, 26,662.16 and 15,076 is: 20,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.16 : 26,662.16 = 15,076 : x
  2. Step 2: Convert to fraction form
    19,320.16/26,662.16 = 15,076/x
  3. Step 3: Cross multiply
    19,320.16x = 26,662.16 × 15,076
  4. Step 4: Simplify right side
    19,320.16x = 401,958,724.16
  5. Step 5: Solve for x
    x = 401,958,724.16/19,320.16
  6. Step 6: Final answer
    x = 20,805.14

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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.