Home / 27,920.95-41,861.99-10,386.07

Finding the Fourth Proportional to 27,920.95, 41,861.99 and 10,386.07

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Solution

The fourth proportional to 27,920.95, 41,861.99 and 10,386.07 is: 15,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.95 : 41,861.99 = 10,386.07 : x
  2. Step 2: Convert to fraction form
    27,920.95/41,861.99 = 10,386.07/x
  3. Step 3: Cross multiply
    27,920.95x = 41,861.99 × 10,386.07
  4. Step 4: Simplify right side
    27,920.95x = 434,781,506.55
  5. Step 5: Solve for x
    x = 434,781,506.55/27,920.95
  6. Step 6: Final answer
    x = 15,571.87

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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.