Home / 29,398.40-40,568.96-16,822.72

Finding the Fourth Proportional to 29,398.40, 40,568.96 and 16,822.72

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Solution

The fourth proportional to 29,398.40, 40,568.96 and 16,822.72 is: 23,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.40 : 40,568.96 = 16,822.72 : x
  2. Step 2: Convert to fraction form
    29,398.40/40,568.96 = 16,822.72/x
  3. Step 3: Cross multiply
    29,398.40x = 40,568.96 × 16,822.72
  4. Step 4: Simplify right side
    29,398.40x = 682,480,254.77
  5. Step 5: Solve for x
    x = 682,480,254.77/29,398.40
  6. Step 6: Final answer
    x = 23,214.88

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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.