Home / 23,830.88-32,885.04-13,220.16

Finding the Fourth Proportional to 23,830.88, 32,885.04 and 13,220.16

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Solution

The fourth proportional to 23,830.88, 32,885.04 and 13,220.16 is: 18,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.88 : 32,885.04 = 13,220.16 : x
  2. Step 2: Convert to fraction form
    23,830.88/32,885.04 = 13,220.16/x
  3. Step 3: Cross multiply
    23,830.88x = 32,885.04 × 13,220.16
  4. Step 4: Simplify right side
    23,830.88x = 434,745,490.41
  5. Step 5: Solve for x
    x = 434,745,490.41/23,830.88
  6. Step 6: Final answer
    x = 18,242.95

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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.