Home / 27,288.45-40,934.57-10,642.95

Finding the Fourth Proportional to 27,288.45, 40,934.57 and 10,642.95

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Solution

The fourth proportional to 27,288.45, 40,934.57 and 10,642.95 is: 15,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.45 : 40,934.57 = 10,642.95 : x
  2. Step 2: Convert to fraction form
    27,288.45/40,934.57 = 10,642.95/x
  3. Step 3: Cross multiply
    27,288.45x = 40,934.57 × 10,642.95
  4. Step 4: Simplify right side
    27,288.45x = 435,664,528.57
  5. Step 5: Solve for x
    x = 435,664,528.57/27,288.45
  6. Step 6: Final answer
    x = 15,965.16

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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.