Home / 22,521.24-33,784.90-21,277.69

Finding the Fourth Proportional to 22,521.24, 33,784.90 and 21,277.69

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Solution

The fourth proportional to 22,521.24, 33,784.90 and 21,277.69 is: 31,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.24 : 33,784.90 = 21,277.69 : x
  2. Step 2: Convert to fraction form
    22,521.24/33,784.90 = 21,277.69/x
  3. Step 3: Cross multiply
    22,521.24x = 33,784.90 × 21,277.69
  4. Step 4: Simplify right side
    22,521.24x = 718,864,491.22
  5. Step 5: Solve for x
    x = 718,864,491.22/22,521.24
  6. Step 6: Final answer
    x = 31,919.40

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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.