Home / 27,101.09-40,628.28-10,472.79

Finding the Fourth Proportional to 27,101.09, 40,628.28 and 10,472.79

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Solution

The fourth proportional to 27,101.09, 40,628.28 and 10,472.79 is: 15,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.09 : 40,628.28 = 10,472.79 : x
  2. Step 2: Convert to fraction form
    27,101.09/40,628.28 = 10,472.79/x
  3. Step 3: Cross multiply
    27,101.09x = 40,628.28 × 10,472.79
  4. Step 4: Simplify right side
    27,101.09x = 425,491,392.14
  5. Step 5: Solve for x
    x = 425,491,392.14/27,101.09
  6. Step 6: Final answer
    x = 15,700.16

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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.