Home / 21,880.21-32,820.07-14,842.79

Finding the Fourth Proportional to 21,880.21, 32,820.07 and 14,842.79

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Solution

The fourth proportional to 21,880.21, 32,820.07 and 14,842.79 is: 22,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.21 : 32,820.07 = 14,842.79 : x
  2. Step 2: Convert to fraction form
    21,880.21/32,820.07 = 14,842.79/x
  3. Step 3: Cross multiply
    21,880.21x = 32,820.07 × 14,842.79
  4. Step 4: Simplify right side
    21,880.21x = 487,141,406.80
  5. Step 5: Solve for x
    x = 487,141,406.80/21,880.21
  6. Step 6: Final answer
    x = 22,264.02

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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.