Home / 17,726.40-26,380.36-17,135.84

Finding the Fourth Proportional to 17,726.40, 26,380.36 and 17,135.84

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Solution

The fourth proportional to 17,726.40, 26,380.36 and 17,135.84 is: 25,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,726.40 : 26,380.36 = 17,135.84 : x
  2. Step 2: Convert to fraction form
    17,726.40/26,380.36 = 17,135.84/x
  3. Step 3: Cross multiply
    17,726.40x = 26,380.36 × 17,135.84
  4. Step 4: Simplify right side
    17,726.40x = 452,049,628.10
  5. Step 5: Solve for x
    x = 452,049,628.10/17,726.40
  6. Step 6: Final answer
    x = 25,501.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.