Home / 27,310.75-40,966.13-15,615.77

Finding the Fourth Proportional to 27,310.75, 40,966.13 and 15,615.77

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Solution

The fourth proportional to 27,310.75, 40,966.13 and 15,615.77 is: 23,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.75 : 40,966.13 = 15,615.77 : x
  2. Step 2: Convert to fraction form
    27,310.75/40,966.13 = 15,615.77/x
  3. Step 3: Cross multiply
    27,310.75x = 40,966.13 × 15,615.77
  4. Step 4: Simplify right side
    27,310.75x = 639,717,483.38
  5. Step 5: Solve for x
    x = 639,717,483.38/27,310.75
  6. Step 6: Final answer
    x = 23,423.65

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1.5x scale

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.