Home / 20,521.26-30,777.37-5,726.21

Finding the Fourth Proportional to 20,521.26, 30,777.37 and 5,726.21

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Solution

The fourth proportional to 20,521.26, 30,777.37 and 5,726.21 is: 8,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,521.26 : 30,777.37 = 5,726.21 : x
  2. Step 2: Convert to fraction form
    20,521.26/30,777.37 = 5,726.21/x
  3. Step 3: Cross multiply
    20,521.26x = 30,777.37 × 5,726.21
  4. Step 4: Simplify right side
    20,521.26x = 176,237,515.67
  5. Step 5: Solve for x
    x = 176,237,515.67/20,521.26
  6. Step 6: Final answer
    x = 8,588.05

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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.