Home / 27,861.59-38,448.87-16,536.71

Finding the Fourth Proportional to 27,861.59, 38,448.87 and 16,536.71

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Solution

The fourth proportional to 27,861.59, 38,448.87 and 16,536.71 is: 22,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.59 : 38,448.87 = 16,536.71 : x
  2. Step 2: Convert to fraction form
    27,861.59/38,448.87 = 16,536.71/x
  3. Step 3: Cross multiply
    27,861.59x = 38,448.87 × 16,536.71
  4. Step 4: Simplify right side
    27,861.59x = 635,817,813.02
  5. Step 5: Solve for x
    x = 635,817,813.02/27,861.59
  6. Step 6: Final answer
    x = 22,820.59

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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.