Home / 29,135.17-40,358.80-28,544.68

Finding the Fourth Proportional to 29,135.17, 40,358.80 and 28,544.68

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Solution

The fourth proportional to 29,135.17, 40,358.80 and 28,544.68 is: 39,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.17 : 40,358.80 = 28,544.68 : x
  2. Step 2: Convert to fraction form
    29,135.17/40,358.80 = 28,544.68/x
  3. Step 3: Cross multiply
    29,135.17x = 40,358.80 × 28,544.68
  4. Step 4: Simplify right side
    29,135.17x = 1,152,029,031.18
  5. Step 5: Solve for x
    x = 1,152,029,031.18/29,135.17
  6. Step 6: Final answer
    x = 39,540.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.