Home / 28,256.15-38,993.81-17,651.94

Finding the Fourth Proportional to 28,256.15, 38,993.81 and 17,651.94

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Solution

The fourth proportional to 28,256.15, 38,993.81 and 17,651.94 is: 24,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.15 : 38,993.81 = 17,651.94 : x
  2. Step 2: Convert to fraction form
    28,256.15/38,993.81 = 17,651.94/x
  3. Step 3: Cross multiply
    28,256.15x = 38,993.81 × 17,651.94
  4. Step 4: Simplify right side
    28,256.15x = 688,316,306.23
  5. Step 5: Solve for x
    x = 688,316,306.23/28,256.15
  6. Step 6: Final answer
    x = 24,359.88

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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.