Home / 29,293.62-40,428.09-16,720.26

Finding the Fourth Proportional to 29,293.62, 40,428.09 and 16,720.26

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Solution

The fourth proportional to 29,293.62, 40,428.09 and 16,720.26 is: 23,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.62 : 40,428.09 = 16,720.26 : x
  2. Step 2: Convert to fraction form
    29,293.62/40,428.09 = 16,720.26/x
  3. Step 3: Cross multiply
    29,293.62x = 40,428.09 × 16,720.26
  4. Step 4: Simplify right side
    29,293.62x = 675,968,176.10
  5. Step 5: Solve for x
    x = 675,968,176.10/29,293.62
  6. Step 6: Final answer
    x = 23,075.61

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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.