Home / 27,880.57-38,458.28-16,542.59

Finding the Fourth Proportional to 27,880.57, 38,458.28 and 16,542.59

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Solution

The fourth proportional to 27,880.57, 38,458.28 and 16,542.59 is: 22,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.57 : 38,458.28 = 16,542.59 : x
  2. Step 2: Convert to fraction form
    27,880.57/38,458.28 = 16,542.59/x
  3. Step 3: Cross multiply
    27,880.57x = 38,458.28 × 16,542.59
  4. Step 4: Simplify right side
    27,880.57x = 636,199,475.43
  5. Step 5: Solve for x
    x = 636,199,475.43/27,880.57
  6. Step 6: Final answer
    x = 22,818.74

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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.