Home / 22,668.11-31,285.71-18,885.28

Finding the Fourth Proportional to 22,668.11, 31,285.71 and 18,885.28

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Solution

The fourth proportional to 22,668.11, 31,285.71 and 18,885.28 is: 26,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.11 : 31,285.71 = 18,885.28 : x
  2. Step 2: Convert to fraction form
    22,668.11/31,285.71 = 18,885.28/x
  3. Step 3: Cross multiply
    22,668.11x = 31,285.71 × 18,885.28
  4. Step 4: Simplify right side
    22,668.11x = 590,839,142.49
  5. Step 5: Solve for x
    x = 590,839,142.49/22,668.11
  6. Step 6: Final answer
    x = 26,064.77

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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.