Home / 27,617.40-38,124.84-16,283.10

Finding the Fourth Proportional to 27,617.40, 38,124.84 and 16,283.10

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Solution

The fourth proportional to 27,617.40, 38,124.84 and 16,283.10 is: 22,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.40 : 38,124.84 = 16,283.10 : x
  2. Step 2: Convert to fraction form
    27,617.40/38,124.84 = 16,283.10/x
  3. Step 3: Cross multiply
    27,617.40x = 38,124.84 × 16,283.10
  4. Step 4: Simplify right side
    27,617.40x = 620,790,582.20
  5. Step 5: Solve for x
    x = 620,790,582.20/27,617.40
  6. Step 6: Final answer
    x = 22,478.24

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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.