Home / 21,402.94-29,544.18-19,160.66

Finding the Fourth Proportional to 21,402.94, 29,544.18 and 19,160.66

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Solution

The fourth proportional to 21,402.94, 29,544.18 and 19,160.66 is: 26,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.94 : 29,544.18 = 19,160.66 : x
  2. Step 2: Convert to fraction form
    21,402.94/29,544.18 = 19,160.66/x
  3. Step 3: Cross multiply
    21,402.94x = 29,544.18 × 19,160.66
  4. Step 4: Simplify right side
    21,402.94x = 566,085,987.96
  5. Step 5: Solve for x
    x = 566,085,987.96/21,402.94
  6. Step 6: Final answer
    x = 26,448.98

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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.