Home / 28,995.53-40,013.66-16,419.47

Finding the Fourth Proportional to 28,995.53, 40,013.66 and 16,419.47

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Solution

The fourth proportional to 28,995.53, 40,013.66 and 16,419.47 is: 22,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.53 : 40,013.66 = 16,419.47 : x
  2. Step 2: Convert to fraction form
    28,995.53/40,013.66 = 16,419.47/x
  3. Step 3: Cross multiply
    28,995.53x = 40,013.66 × 16,419.47
  4. Step 4: Simplify right side
    28,995.53x = 657,002,930.94
  5. Step 5: Solve for x
    x = 657,002,930.94/28,995.53
  6. Step 6: Final answer
    x = 22,658.77

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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.