Home / 24,128.38-33,298.53-13,521.43

Finding the Fourth Proportional to 24,128.38, 33,298.53 and 13,521.43

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Solution

The fourth proportional to 24,128.38, 33,298.53 and 13,521.43 is: 18,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,128.38 : 33,298.53 = 13,521.43 : x
  2. Step 2: Convert to fraction form
    24,128.38/33,298.53 = 13,521.43/x
  3. Step 3: Cross multiply
    24,128.38x = 33,298.53 × 13,521.43
  4. Step 4: Simplify right side
    24,128.38x = 450,243,508.40
  5. Step 5: Solve for x
    x = 450,243,508.40/24,128.38
  6. Step 6: Final answer
    x = 18,660.33

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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.