Home / 22,421.52-33,580.44-21,643.92

Finding the Fourth Proportional to 22,421.52, 33,580.44 and 21,643.92

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Solution

The fourth proportional to 22,421.52, 33,580.44 and 21,643.92 is: 32,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.52 : 33,580.44 = 21,643.92 : x
  2. Step 2: Convert to fraction form
    22,421.52/33,580.44 = 21,643.92/x
  3. Step 3: Cross multiply
    22,421.52x = 33,580.44 × 21,643.92
  4. Step 4: Simplify right side
    22,421.52x = 726,812,356.92
  5. Step 5: Solve for x
    x = 726,812,356.92/22,421.52
  6. Step 6: Final answer
    x = 32,415.84

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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.