Home / 21,369.83-29,473.55-19,937.45

Finding the Fourth Proportional to 21,369.83, 29,473.55 and 19,937.45

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Solution

The fourth proportional to 21,369.83, 29,473.55 and 19,937.45 is: 27,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.83 : 29,473.55 = 19,937.45 : x
  2. Step 2: Convert to fraction form
    21,369.83/29,473.55 = 19,937.45/x
  3. Step 3: Cross multiply
    21,369.83x = 29,473.55 × 19,937.45
  4. Step 4: Simplify right side
    21,369.83x = 587,627,182.39
  5. Step 5: Solve for x
    x = 587,627,182.39/21,369.83
  6. Step 6: Final answer
    x = 27,497.99

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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.