Home / 40,256.40-60,394.20-16,869.84

Finding the Fourth Proportional to 40,256.40, 60,394.20 and 16,869.84

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Solution

The fourth proportional to 40,256.40, 60,394.20 and 16,869.84 is: 25,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,256.40 : 60,394.20 = 16,869.84 : x
  2. Step 2: Convert to fraction form
    40,256.40/60,394.20 = 16,869.84/x
  3. Step 3: Cross multiply
    40,256.40x = 60,394.20 × 16,869.84
  4. Step 4: Simplify right side
    40,256.40x = 1,018,840,490.93
  5. Step 5: Solve for x
    x = 1,018,840,490.93/40,256.40
  6. Step 6: Final answer
    x = 25,308.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.