Home / 38,213.22-52,734.78-20,987.01

Finding the Fourth Proportional to 38,213.22, 52,734.78 and 20,987.01

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Solution

The fourth proportional to 38,213.22, 52,734.78 and 20,987.01 is: 28,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213.22 : 52,734.78 = 20,987.01 : x
  2. Step 2: Convert to fraction form
    38,213.22/52,734.78 = 20,987.01/x
  3. Step 3: Cross multiply
    38,213.22x = 52,734.78 × 20,987.01
  4. Step 4: Simplify right side
    38,213.22x = 1,106,745,355.21
  5. Step 5: Solve for x
    x = 1,106,745,355.21/38,213.22
  6. Step 6: Final answer
    x = 28,962.37

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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.