Home / 21,358.66-29,477.45-17,767.27

Finding the Fourth Proportional to 21,358.66, 29,477.45 and 17,767.27

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Solution

The fourth proportional to 21,358.66, 29,477.45 and 17,767.27 is: 24,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.66 : 29,477.45 = 17,767.27 : x
  2. Step 2: Convert to fraction form
    21,358.66/29,477.45 = 17,767.27/x
  3. Step 3: Cross multiply
    21,358.66x = 29,477.45 × 17,767.27
  4. Step 4: Simplify right side
    21,358.66x = 523,733,813.06
  5. Step 5: Solve for x
    x = 523,733,813.06/21,358.66
  6. Step 6: Final answer
    x = 24,520.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.