Home / 23,827.18-32,885.45-13,220.23

Finding the Fourth Proportional to 23,827.18, 32,885.45 and 13,220.23

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Solution

The fourth proportional to 23,827.18, 32,885.45 and 13,220.23 is: 18,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,827.18 : 32,885.45 = 13,220.23 : x
  2. Step 2: Convert to fraction form
    23,827.18/32,885.45 = 13,220.23/x
  3. Step 3: Cross multiply
    23,827.18x = 32,885.45 × 13,220.23
  4. Step 4: Simplify right side
    23,827.18x = 434,753,212.65
  5. Step 5: Solve for x
    x = 434,753,212.65/23,827.18
  6. Step 6: Final answer
    x = 18,246.10

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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.