Home / 29,312.97-40,451.83-15,884.16

Finding the Fourth Proportional to 29,312.97, 40,451.83 and 15,884.16

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Solution

The fourth proportional to 29,312.97, 40,451.83 and 15,884.16 is: 21,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.97 : 40,451.83 = 15,884.16 : x
  2. Step 2: Convert to fraction form
    29,312.97/40,451.83 = 15,884.16/x
  3. Step 3: Cross multiply
    29,312.97x = 40,451.83 × 15,884.16
  4. Step 4: Simplify right side
    29,312.97x = 642,543,340.01
  5. Step 5: Solve for x
    x = 642,543,340.01/29,312.97
  6. Step 6: Final answer
    x = 21,920.10

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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.