Home / 38,443.20-57,672.36-16,256.40

Finding the Fourth Proportional to 38,443.20, 57,672.36 and 16,256.40

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Solution

The fourth proportional to 38,443.20, 57,672.36 and 16,256.40 is: 24,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.20 : 57,672.36 = 16,256.40 : x
  2. Step 2: Convert to fraction form
    38,443.20/57,672.36 = 16,256.40/x
  3. Step 3: Cross multiply
    38,443.20x = 57,672.36 × 16,256.40
  4. Step 4: Simplify right side
    38,443.20x = 937,544,953.10
  5. Step 5: Solve for x
    x = 937,544,953.10/38,443.20
  6. Step 6: Final answer
    x = 24,387.80

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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.