Home / 27,318.69-40,985.33-9,790.29

Finding the Fourth Proportional to 27,318.69, 40,985.33 and 9,790.29

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Solution

The fourth proportional to 27,318.69, 40,985.33 and 9,790.29 is: 14,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.69 : 40,985.33 = 9,790.29 : x
  2. Step 2: Convert to fraction form
    27,318.69/40,985.33 = 9,790.29/x
  3. Step 3: Cross multiply
    27,318.69x = 40,985.33 × 9,790.29
  4. Step 4: Simplify right side
    27,318.69x = 401,258,217.49
  5. Step 5: Solve for x
    x = 401,258,217.49/27,318.69
  6. Step 6: Final answer
    x = 14,688.05

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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.