Home / 29,275.68-40,400.57-15,846.94

Finding the Fourth Proportional to 29,275.68, 40,400.57 and 15,846.94

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Solution

The fourth proportional to 29,275.68, 40,400.57 and 15,846.94 is: 21,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.68 : 40,400.57 = 15,846.94 : x
  2. Step 2: Convert to fraction form
    29,275.68/40,400.57 = 15,846.94/x
  3. Step 3: Cross multiply
    29,275.68x = 40,400.57 × 15,846.94
  4. Step 4: Simplify right side
    29,275.68x = 640,225,498.87
  5. Step 5: Solve for x
    x = 640,225,498.87/29,275.68
  6. Step 6: Final answer
    x = 21,868.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.