Home / 38,434.40-57,622.80-16,228.96

Finding the Fourth Proportional to 38,434.40, 57,622.80 and 16,228.96

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Solution

The fourth proportional to 38,434.40, 57,622.80 and 16,228.96 is: 24,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.40 : 57,622.80 = 16,228.96 : x
  2. Step 2: Convert to fraction form
    38,434.40/57,622.80 = 16,228.96/x
  3. Step 3: Cross multiply
    38,434.40x = 57,622.80 × 16,228.96
  4. Step 4: Simplify right side
    38,434.40x = 935,158,116.29
  5. Step 5: Solve for x
    x = 935,158,116.29/38,434.40
  6. Step 6: Final answer
    x = 24,331.28

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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.