Home / 29,488-40,693.44-16,913.56

Finding the Fourth Proportional to 29,488, 40,693.44 and 16,913.56

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Solution

The fourth proportional to 29,488, 40,693.44 and 16,913.56 is: 23,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488 : 40,693.44 = 16,913.56 : x
  2. Step 2: Convert to fraction form
    29,488/40,693.44 = 16,913.56/x
  3. Step 3: Cross multiply
    29,488x = 40,693.44 × 16,913.56
  4. Step 4: Simplify right side
    29,488x = 688,270,939.05
  5. Step 5: Solve for x
    x = 688,270,939.05/29,488
  6. Step 6: Final answer
    x = 23,340.71

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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.