Home / 22,465.51-30,777.70-21,624.32

Finding the Fourth Proportional to 22,465.51, 30,777.70 and 21,624.32

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Solution

The fourth proportional to 22,465.51, 30,777.70 and 21,624.32 is: 29,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.51 : 30,777.70 = 21,624.32 : x
  2. Step 2: Convert to fraction form
    22,465.51/30,777.70 = 21,624.32/x
  3. Step 3: Cross multiply
    22,465.51x = 30,777.70 × 21,624.32
  4. Step 4: Simplify right side
    22,465.51x = 665,546,833.66
  5. Step 5: Solve for x
    x = 665,546,833.66/22,465.51
  6. Step 6: Final answer
    x = 29,625.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.