Home / 29,288.05-40,417.70-15,859.41

Finding the Fourth Proportional to 29,288.05, 40,417.70 and 15,859.41

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Solution

The fourth proportional to 29,288.05, 40,417.70 and 15,859.41 is: 21,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.05 : 40,417.70 = 15,859.41 : x
  2. Step 2: Convert to fraction form
    29,288.05/40,417.70 = 15,859.41/x
  3. Step 3: Cross multiply
    29,288.05x = 40,417.70 × 15,859.41
  4. Step 4: Simplify right side
    29,288.05x = 641,000,644.69
  5. Step 5: Solve for x
    x = 641,000,644.69/29,288.05
  6. Step 6: Final answer
    x = 21,886.08

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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.