Home / 21,738.84-32,512.43-18,924.60

Finding the Fourth Proportional to 21,738.84, 32,512.43 and 18,924.60

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Solution

The fourth proportional to 21,738.84, 32,512.43 and 18,924.60 is: 28,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.84 : 32,512.43 = 18,924.60 : x
  2. Step 2: Convert to fraction form
    21,738.84/32,512.43 = 18,924.60/x
  3. Step 3: Cross multiply
    21,738.84x = 32,512.43 × 18,924.60
  4. Step 4: Simplify right side
    21,738.84x = 615,284,638.16
  5. Step 5: Solve for x
    x = 615,284,638.16/21,738.84
  6. Step 6: Final answer
    x = 28,303.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.