Home / 27,647.04-38,157.84-16,315.92

Finding the Fourth Proportional to 27,647.04, 38,157.84 and 16,315.92

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Solution

The fourth proportional to 27,647.04, 38,157.84 and 16,315.92 is: 22,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.04 : 38,157.84 = 16,315.92 : x
  2. Step 2: Convert to fraction form
    27,647.04/38,157.84 = 16,315.92/x
  3. Step 3: Cross multiply
    27,647.04x = 38,157.84 × 16,315.92
  4. Step 4: Simplify right side
    27,647.04x = 622,580,264.81
  5. Step 5: Solve for x
    x = 622,580,264.81/27,647.04
  6. Step 6: Final answer
    x = 22,518.88

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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.