Home / 29,288.33-40,417.83-15,859.62

Finding the Fourth Proportional to 29,288.33, 40,417.83 and 15,859.62

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Solution

The fourth proportional to 29,288.33, 40,417.83 and 15,859.62 is: 21,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.33 : 40,417.83 = 15,859.62 : x
  2. Step 2: Convert to fraction form
    29,288.33/40,417.83 = 15,859.62/x
  3. Step 3: Cross multiply
    29,288.33x = 40,417.83 × 15,859.62
  4. Step 4: Simplify right side
    29,288.33x = 641,011,425.02
  5. Step 5: Solve for x
    x = 641,011,425.02/29,288.33
  6. Step 6: Final answer
    x = 21,886.24

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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.