Home / 27,881.32-38,478.66-16,554.28

Finding the Fourth Proportional to 27,881.32, 38,478.66 and 16,554.28

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Solution

The fourth proportional to 27,881.32, 38,478.66 and 16,554.28 is: 22,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.32 : 38,478.66 = 16,554.28 : x
  2. Step 2: Convert to fraction form
    27,881.32/38,478.66 = 16,554.28/x
  3. Step 3: Cross multiply
    27,881.32x = 38,478.66 × 16,554.28
  4. Step 4: Simplify right side
    27,881.32x = 636,986,511.66
  5. Step 5: Solve for x
    x = 636,986,511.66/27,881.32
  6. Step 6: Final answer
    x = 22,846.35

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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.