Home / 27,187.45-40,776.55-7,461.38

Finding the Fourth Proportional to 27,187.45, 40,776.55 and 7,461.38

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Solution

The fourth proportional to 27,187.45, 40,776.55 and 7,461.38 is: 11,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.45 : 40,776.55 = 7,461.38 : x
  2. Step 2: Convert to fraction form
    27,187.45/40,776.55 = 7,461.38/x
  3. Step 3: Cross multiply
    27,187.45x = 40,776.55 × 7,461.38
  4. Step 4: Simplify right side
    27,187.45x = 304,249,417.93
  5. Step 5: Solve for x
    x = 304,249,417.93/27,187.45
  6. Step 6: Final answer
    x = 11,190.80

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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.