Home / 29,215-40,316.70-16,640.02

Finding the Fourth Proportional to 29,215, 40,316.70 and 16,640.02

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Solution

The fourth proportional to 29,215, 40,316.70 and 16,640.02 is: 22,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215 : 40,316.70 = 16,640.02 : x
  2. Step 2: Convert to fraction form
    29,215/40,316.70 = 16,640.02/x
  3. Step 3: Cross multiply
    29,215x = 40,316.70 × 16,640.02
  4. Step 4: Simplify right side
    29,215x = 670,870,694.33
  5. Step 5: Solve for x
    x = 670,870,694.33/29,215
  6. Step 6: Final answer
    x = 22,963.23

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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.