Home / 27,280.29-40,921.26-10,639.65

Finding the Fourth Proportional to 27,280.29, 40,921.26 and 10,639.65

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Solution

The fourth proportional to 27,280.29, 40,921.26 and 10,639.65 is: 15,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.29 : 40,921.26 = 10,639.65 : x
  2. Step 2: Convert to fraction form
    27,280.29/40,921.26 = 10,639.65/x
  3. Step 3: Cross multiply
    27,280.29x = 40,921.26 × 10,639.65
  4. Step 4: Simplify right side
    27,280.29x = 435,387,883.96
  5. Step 5: Solve for x
    x = 435,387,883.96/27,280.29
  6. Step 6: Final answer
    x = 15,959.80

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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.