Home / 29,080.80-40,130.10-16,505.28

Finding the Fourth Proportional to 29,080.80, 40,130.10 and 16,505.28

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Solution

The fourth proportional to 29,080.80, 40,130.10 and 16,505.28 is: 22,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.80 : 40,130.10 = 16,505.28 : x
  2. Step 2: Convert to fraction form
    29,080.80/40,130.10 = 16,505.28/x
  3. Step 3: Cross multiply
    29,080.80x = 40,130.10 × 16,505.28
  4. Step 4: Simplify right side
    29,080.80x = 662,358,536.93
  5. Step 5: Solve for x
    x = 662,358,536.93/29,080.80
  6. Step 6: Final answer
    x = 22,776.49

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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.