Home / 29,026.79-40,019.89-18,799.76

Finding the Fourth Proportional to 29,026.79, 40,019.89 and 18,799.76

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Solution

The fourth proportional to 29,026.79, 40,019.89 and 18,799.76 is: 25,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,026.79 : 40,019.89 = 18,799.76 : x
  2. Step 2: Convert to fraction form
    29,026.79/40,019.89 = 18,799.76/x
  3. Step 3: Cross multiply
    29,026.79x = 40,019.89 × 18,799.76
  4. Step 4: Simplify right side
    29,026.79x = 752,364,174.13
  5. Step 5: Solve for x
    x = 752,364,174.13/29,026.79
  6. Step 6: Final answer
    x = 25,919.65

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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.