Home / 27,612.46-38,106.72-16,288.59

Finding the Fourth Proportional to 27,612.46, 38,106.72 and 16,288.59

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Solution

The fourth proportional to 27,612.46, 38,106.72 and 16,288.59 is: 22,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.46 : 38,106.72 = 16,288.59 : x
  2. Step 2: Convert to fraction form
    27,612.46/38,106.72 = 16,288.59/x
  3. Step 3: Cross multiply
    27,612.46x = 38,106.72 × 16,288.59
  4. Step 4: Simplify right side
    27,612.46x = 620,704,881.23
  5. Step 5: Solve for x
    x = 620,704,881.23/27,612.46
  6. Step 6: Final answer
    x = 22,479.16

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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.