Home / 21,065.62-31,600.27-5,483.26

Finding the Fourth Proportional to 21,065.62, 31,600.27 and 5,483.26

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Solution

The fourth proportional to 21,065.62, 31,600.27 and 5,483.26 is: 8,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.62 : 31,600.27 = 5,483.26 : x
  2. Step 2: Convert to fraction form
    21,065.62/31,600.27 = 5,483.26/x
  3. Step 3: Cross multiply
    21,065.62x = 31,600.27 × 5,483.26
  4. Step 4: Simplify right side
    21,065.62x = 173,272,496.48
  5. Step 5: Solve for x
    x = 173,272,496.48/21,065.62
  6. Step 6: Final answer
    x = 8,225.37

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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.