Home / 27,145.46-40,718.28-9,615.80

Finding the Fourth Proportional to 27,145.46, 40,718.28 and 9,615.80

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Solution

The fourth proportional to 27,145.46, 40,718.28 and 9,615.80 is: 14,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.46 : 40,718.28 = 9,615.80 : x
  2. Step 2: Convert to fraction form
    27,145.46/40,718.28 = 9,615.80/x
  3. Step 3: Cross multiply
    27,145.46x = 40,718.28 × 9,615.80
  4. Step 4: Simplify right side
    27,145.46x = 391,538,836.82
  5. Step 5: Solve for x
    x = 391,538,836.82/27,145.46
  6. Step 6: Final answer
    x = 14,423.73

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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.