Home / 21,797.37-29,884.45-21,403.71

Finding the Fourth Proportional to 21,797.37, 29,884.45 and 21,403.71

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Solution

The fourth proportional to 21,797.37, 29,884.45 and 21,403.71 is: 29,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.37 : 29,884.45 = 21,403.71 : x
  2. Step 2: Convert to fraction form
    21,797.37/29,884.45 = 21,403.71/x
  3. Step 3: Cross multiply
    21,797.37x = 29,884.45 × 21,403.71
  4. Step 4: Simplify right side
    21,797.37x = 639,638,101.31
  5. Step 5: Solve for x
    x = 639,638,101.31/21,797.37
  6. Step 6: Final answer
    x = 29,344.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.