Home / 23,630.84-32,610.30-13,421.80

Finding the Fourth Proportional to 23,630.84, 32,610.30 and 13,421.80

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Solution

The fourth proportional to 23,630.84, 32,610.30 and 13,421.80 is: 18,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,630.84 : 32,610.30 = 13,421.80 : x
  2. Step 2: Convert to fraction form
    23,630.84/32,610.30 = 13,421.80/x
  3. Step 3: Cross multiply
    23,630.84x = 32,610.30 × 13,421.80
  4. Step 4: Simplify right side
    23,630.84x = 437,688,914.97
  5. Step 5: Solve for x
    x = 437,688,914.97/23,630.84
  6. Step 6: Final answer
    x = 18,521.94

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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.