Home / 27,878.01-41,818.38-11,235.78

Finding the Fourth Proportional to 27,878.01, 41,818.38 and 11,235.78

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Solution

The fourth proportional to 27,878.01, 41,818.38 and 11,235.78 is: 16,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.01 : 41,818.38 = 11,235.78 : x
  2. Step 2: Convert to fraction form
    27,878.01/41,818.38 = 11,235.78/x
  3. Step 3: Cross multiply
    27,878.01x = 41,818.38 × 11,235.78
  4. Step 4: Simplify right side
    27,878.01x = 469,862,075.50
  5. Step 5: Solve for x
    x = 469,862,075.50/27,878.01
  6. Step 6: Final answer
    x = 16,854.22

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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.