Home / 21,839.64-32,759.46-17,436.48

Finding the Fourth Proportional to 21,839.64, 32,759.46 and 17,436.48

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Solution

The fourth proportional to 21,839.64, 32,759.46 and 17,436.48 is: 26,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.64 : 32,759.46 = 17,436.48 : x
  2. Step 2: Convert to fraction form
    21,839.64/32,759.46 = 17,436.48/x
  3. Step 3: Cross multiply
    21,839.64x = 32,759.46 × 17,436.48
  4. Step 4: Simplify right side
    21,839.64x = 571,209,669.10
  5. Step 5: Solve for x
    x = 571,209,669.10/21,839.64
  6. Step 6: Final answer
    x = 26,154.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.