Home / 40,175.04-55,475.64-28,264.80

Finding the Fourth Proportional to 40,175.04, 55,475.64 and 28,264.80

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Solution

The fourth proportional to 40,175.04, 55,475.64 and 28,264.80 is: 39,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.04 : 55,475.64 = 28,264.80 : x
  2. Step 2: Convert to fraction form
    40,175.04/55,475.64 = 28,264.80/x
  3. Step 3: Cross multiply
    40,175.04x = 55,475.64 × 28,264.80
  4. Step 4: Simplify right side
    40,175.04x = 1,568,007,869.47
  5. Step 5: Solve for x
    x = 1,568,007,869.47/40,175.04
  6. Step 6: Final answer
    x = 39,029.40

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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.