Home / 25,108.68-34,629.84-21,344.28

Finding the Fourth Proportional to 25,108.68, 34,629.84 and 21,344.28

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Solution

The fourth proportional to 25,108.68, 34,629.84 and 21,344.28 is: 29,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.68 : 34,629.84 = 21,344.28 : x
  2. Step 2: Convert to fraction form
    25,108.68/34,629.84 = 21,344.28/x
  3. Step 3: Cross multiply
    25,108.68x = 34,629.84 × 21,344.28
  4. Step 4: Simplify right side
    25,108.68x = 739,149,001.32
  5. Step 5: Solve for x
    x = 739,149,001.32/25,108.68
  6. Step 6: Final answer
    x = 29,437.99

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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.