Home / 27,436.98-37,863.72-16,820.46

Finding the Fourth Proportional to 27,436.98, 37,863.72 and 16,820.46

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Solution

The fourth proportional to 27,436.98, 37,863.72 and 16,820.46 is: 23,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.98 : 37,863.72 = 16,820.46 : x
  2. Step 2: Convert to fraction form
    27,436.98/37,863.72 = 16,820.46/x
  3. Step 3: Cross multiply
    27,436.98x = 37,863.72 × 16,820.46
  4. Step 4: Simplify right side
    27,436.98x = 636,885,187.71
  5. Step 5: Solve for x
    x = 636,885,187.71/27,436.98
  6. Step 6: Final answer
    x = 23,212.66

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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.