Home / 27,875.30-41,780.55-11,227.10

Finding the Fourth Proportional to 27,875.30, 41,780.55 and 11,227.10

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Solution

The fourth proportional to 27,875.30, 41,780.55 and 11,227.10 is: 16,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.30 : 41,780.55 = 11,227.10 : x
  2. Step 2: Convert to fraction form
    27,875.30/41,780.55 = 11,227.10/x
  3. Step 3: Cross multiply
    27,875.30x = 41,780.55 × 11,227.10
  4. Step 4: Simplify right side
    27,875.30x = 469,074,412.91
  5. Step 5: Solve for x
    x = 469,074,412.91/27,875.30
  6. Step 6: Final answer
    x = 16,827.60

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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.