Home / 27,335.42-40,988.95-12,531.59

Finding the Fourth Proportional to 27,335.42, 40,988.95 and 12,531.59

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Solution

The fourth proportional to 27,335.42, 40,988.95 and 12,531.59 is: 18,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.42 : 40,988.95 = 12,531.59 : x
  2. Step 2: Convert to fraction form
    27,335.42/40,988.95 = 12,531.59/x
  3. Step 3: Cross multiply
    27,335.42x = 40,988.95 × 12,531.59
  4. Step 4: Simplify right side
    27,335.42x = 513,656,633.37
  5. Step 5: Solve for x
    x = 513,656,633.37/27,335.42
  6. Step 6: Final answer
    x = 18,790.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.